Guide · Pastry boxes

What size pastry box fits croissants, danishes, tarts, and eclairs?

Short answer: Arrange your pastries in one flat layer without overlapping, add 1/2 inch of floor clearance around the group, and allow 3 to 4 inches of height. Standard custom pastry boxes are 6 × 6 × 3.5 in for two croissants, 8.5 × 4 × 2.75 in for two eclairs, and 10 × 8 × 3.5 in for six danishes.

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Side-by-side comparison of 6x6 croissant box, 8.5x4 oblong eclair box, and 10x8 half-dozen pastry box
On this page
  1. Why must laminated pastries and glazed tarts sit in a single flat layer
  2. What is the complete pastry box size chart by pastry type and count
  3. How do you size boxes for 1, 2, 4, 6, or 12 croissants and danishes
  4. What dimensions fit oblong eclairs, cannoli, and mille-feuille
  5. How do you size pastry boxes around fruit tart coasters and cell dividers
  6. Common mistakes
  7. FAQs
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Sizing a pastry box differs from sizing a cookie or cake carton because viennoiserie and French patisserie cannot be stacked on top of one another. The honeycomb outer crust of a butter croissant, the mirror glaze on a raspberry tart, and the piped chantilly cream on an eclair bruise the instant a second pastry rests on top. Always measure the total Length and Width of your pastries laid out side by side in a single flat layer, add 1/4 inch on each wall (1/2 inch total) so tongs or gloved fingers can slide pieces in and out, and choose an inside height between 2.75 and 4 inches. For fragile tarts or choux puffs that slide on smooth paperboard, size the carton around a die-cut cardboard divider grid so every piece rides home in its own pocket.

Why must laminated pastries and glazed tarts sit in a single flat layer?

When a café tries to squeeze four butter croissants or four cheese danishes into a small 6 × 6 inch box by stacking two pieces on top of the bottom pair, two things happen before the customer reaches their car. First, the weight and residual warmth of the top pastry flatten the airy laminated layers underneath. Second, apricot glaze, fondant icing, or toasted almond flakes stick to the underside of the upper pastry and tear off when unpacked. To size printed patisserie cartons properly, place your baked items side by side on a sheet of parchment on your counter exactly as you want the customer to see them through the top window. Measure the overall footprint from left to right (Length) and front to back (Width), then add 1/2 inch to both measurements so baristas never crush the flaky tips against the vertical box walls during a morning rush.

  1. Lay pastries flat in a single layer on your counter with 1/8 inch between pieces.
  2. Measure the total group Length and Width at the widest curved points.
  3. Add 1/2 inch to Length and Width so tongs or bakery tissue slide in cleanly.
  4. Measure the tallest croissant peak or berry garnish and add 1/2 to 3/4 inch for Height.

What is the complete pastry box size chart by pastry type and count?

Every CubitPack box is cut to your exact inside Length × Width × Height in inches with no die or plate charges. Use the reference chart below to benchmark standard US patisserie and café counter sizes before measuring your own bakes. Notice how pastry boxes stay within a narrow 2.75 to 4 inch height band even as the floor footprint expands from a single 4.5-inch tart box up to a 12 × 10 inch dozen catering tray. Keeping the ceiling low prevents lightweight pastries from bouncing if a takeaway bag tips in transit.

Pastry count & item typeTypical inside size (L × W × H)Best box style
1 jumbo croissant, tartlet, or kouign-amann4.5 × 4.5 × 3 inStraight tuck or mini window box
2 butter croissants, pain au chocolat, or danishes6 × 6 × 3.5 inAuto lock bottom window box
2 long chocolate eclairs or 3 Sicilian cannoli8.5 × 4 × 2.75 inOblong tuck box + panoramic window
4 croissants, morning buns, or 3.5-in fruit tarts8 × 8 × 3.5 inAuto lock bottom + 4-cell divider
6 assorted pastries (croissants, scones, turnovers)10 × 8 × 3.5 inLock-corner hinged window box
8 to 9 pastries or brunch assortment pack10 × 10 × 4 inAuto lock bottom or gable carrier
12 pastries (office breakfast catering platter)12 × 10 × 4 inE-flute corrugated lock-corner window
12 miniature choux, caneles, or petit fours9 × 6 × 2.5 inTray and slide sleeve with divider

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How do you size boxes for 1, 2, 4, 6, or 12 croissants and danishes?

A classic French butter croissant measures roughly 5.5 to 6 inches long, 2.75 to 3 inches wide at the belly, and 2.5 to 3 inches tall at the center arch. Pain au chocolat, almond croissants, kouign-amann, and fruit danishes occupy a similar 3 × 5 inch rectangle. Because two 3 × 5.5 inch croissants placed side by side measure 6 × 5.5 inches, a 6 × 6 × 3.5 inch square window box is the universal workhorse for a pair of morning pastries. When customers order a four-pack for the family, an 8 × 8 × 3.5 inch box holds four croissants or four round brioche buns comfortably in a neat grid. For a half-dozen assortment, stepping up to a 10 × 8 × 3.5 inch rectangular box lets baristas arrange two rows of three pastries without wedging the sixth piece sideways or crushing the ends of a crescent roll. For dozen office catering boxes, choose a 12 × 10 × 4 inch box in E-flute corrugated board so the wide floor never flexes under two to three pounds of rich pastry, and include a full-width top window so everyone in the conference room can spot their favorite flavor before lifting the lid.

Open 8 × 8 × 3.5 inch window pastry box holding four butter croissants in a single flat layer

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What dimensions fit oblong eclairs, cannoli, and mille-feuille?

Putting two 5.5-inch-long chocolate eclairs or three crunchy ricotta cannoli into a square 8 × 8 inch box leaves half the floor empty. As soon as the customer walks out the door, the narrow shells roll across the box, cracking the fondant icing and knocking pistachio crumbs off the ends. Oblong patisserie items belong in a narrow rectangular carton. An 8.5 × 4 × 2.75 inch or 9 × 4.5 × 3 inch custom straight tuck end box with a long panoramic window holds two standard eclairs, three cannoli shells, two cream horns, or a slice of Napoleon (mille-feuille) with less than 1/4 inch of side-to-side play. For single takeaway eclairs sold at coffee kiosks, a slim 6.5 × 2.5 × 2.5 inch sleeve or clamshell keeps the pastry upright like a hot-dog cradle.

Oblong 8.5 × 4 × 2.75 inch pastry box with panoramic window holding two chocolate eclairs

How do you size pastry boxes around fruit tart coasters and cell dividers?

Individual 3-inch to 4-inch fruit tarts, lemon meringue tartlets, and mirror-glazed mousse entremets have heavy buttery pâte sucrée crusts or delicate gelatin glazes that chip if two tarts bump together. Professional patisseries place each tart on a 3.5-inch or 4-inch gold paperboard coaster with a finger-lift tab, then drop a slotted custom cardboard insert into the bottom of the box. When you use a cell divider or cardboard coaster, size the inside Length and Width of the pastry box to the coaster diameter multiplied by the grid count, plus 1/4 inch for the divider wall thickness. For example, four 3.75-inch round gold tart coasters in a 2 × 2 grid require an 8 × 8 × 3.5 inch box, while six 3.5-inch tart coasters in a 3 × 2 grid fit cleanly inside an 11 × 7.5 × 3.5 inch two-piece or auto-bottom window carton. Always measure the finger-lift tab on the gold board coaster as well, or orient the tabs diagonally toward the four corners of each cell so they never bend upward against the partition walls.

  1. Single 3.5-in tart on a 4-in coaster: 4.5 × 4.5 × 3 in box.
  2. 2 tarts on 3.75-in coasters (2 × 1 grid): 8 × 4.25 × 3.25 in oblong box with 2-cell divider.
  3. 4 tarts on 3.75-in coasters (2 × 2 grid): 8 × 8 × 3.5 in square box with 4-cell cross divider.
  4. 6 tarts on 3.5-in coasters (3 × 2 grid): 11 × 7.5 × 3.5 in box with 6-cell divider.

What are the most common pastry box sizing mistakes?

Avoid these five frequent measurement errors when ordering custom patisserie cartons

  1. Choosing a 2.5-inch-tall cookie box for croissants or whipped-cream puffs, causing the window film to mash the top crust.
  2. Stacking pastries two layers deep inside a narrow box instead of widening the floor so every item sits in one flat layer.
  3. Packing long, narrow eclairs or cannoli inside a wide square box where they roll and smear their chocolate glaze.
  4. Sizing a tart box to the bare tart ring diameter instead of the wider gold cardboard coaster or fluted paper cup underneath.
  5. Ordering a 5-inch or 6-inch tall cake box for shallow pastries, which wastes paperboard and lets light pastries slide around.

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Suggested inside size: 4.5 × 4.5 × 3 in

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FAQ

Questions about pastry boxes

What is the most popular box size for two croissants or danishes?

A 6 × 6 × 3.5 inch window box is the standard café size for two butter croissants, two pain au chocolat, or two fruit danishes sitting side by side. It gives 3.5 inches of vertical room so high-rise laminated layers never brush the top window.

What size box holds a half-dozen assorted morning pastries?

Order a 10 × 8 × 3.5 inch or 10 × 10 × 3.5 inch box for six assorted pastries. That footprint fits six croissants, scones, cinnamon rolls, or turnovers in a single flat 3 × 2 arrangement without overlapping.

How tall should a pastry box be compared with a cookie or cake box?

Pastry boxes usually stand 2.75 to 4 inches tall. That is taller than a flat 2-inch cookie box (to clear puffed dough and cream rosettes) but shorter than a 5 to 8 inch cake box.

What size box fits eclairs or Sicilian cannoli?

Use an oblong 8.5 × 4 × 2.75 inch or 9 × 4.5 × 3 inch box for two full-size eclairs or three filled cannoli shells. The rectangular footprint aligns long shells lengthwise so they cannot roll during carryout.

Are pastry box sizes measured on the inside or outside?

Inside. All CubitPack boxes are quoted by inside Length × Width × Height in inches so your pastry coasters, dividers, and butter paper sheets fit the floor without bending.

Can I order two or three pastry box sizes in the same run?

Yes. Most bakeries pair a smaller 6 × 6 × 3.5 in counter box with a larger 10 × 8 × 3.5 in assortment box. List all sizes in your quote notes so your account manager prices them together.

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How we made this guide

The single-layer floor dimensions and 2.75 to 4 inch height guidelines in this guide are based on standard US and French viennoiserie, tart ring, and eclair measurements. A CubitPack packaging specialist verified every row. Spot something wrong? Tell us and we will fix it.

Published October 22, 2026Updated October 22, 2026Next review January 20, 2027
Sources
  1. Food-contact paperboard and liner considerations for laminated pastries
  2. Folding carton inside dimension conventions (L × W × H)
What changed
  • October 22, 2026: First published.
  • October 22, 2026: Updated specifications, terminology, and verified source links.
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