Kadi Blog · Wholesale Buying Guides

How to Choose Gift Bag Sizes: Complete Wholesale Buying Guide

Size is one of the most common reasons gift bag orders go wrong. A bag that is too small frustrates the shopper; a bag that is far too large looks empty and cheapens the gift inside. For wholesale buyers — retailers, distributors, and party supply importers — choosing the right size mix is as important as choosing the right designs.

This guide explains the standard wholesale gift bag sizes, what fits in each one, and how to build a size assortment that sells through instead of sitting in your warehouse.

Standard Gift Bag Sizes (and What Fits Inside)

Gift bags are usually measured in inches (width × height × gusset depth). While every factory's chart differs slightly, the industry works around four core sizes:

The medium size is the workhorse of the category — it handles the widest range of everyday gifts and typically accounts for the largest share of reorders. If you can only stock two sizes, make them medium and large.

Match Sizes to Occasions

Different selling seasons pull different sizes. Planning your size mix around the calendar avoids both stockouts and dead stock:

• Christmas / holiday season — heavy demand for medium and large; shoppers are wrapping apparel, toys, and home goods.
• Birthdays (year-round) — the most size-diverse occasion; keep small through large in steady supply.
• Weddings and quinceañeras — small and medium dominate (favors, accessories, keepsakes).
• Mother's Day / Valentine's Day — small and medium (cosmetics, jewelry, confectionery).
• Graduation — medium skews strongest (books, electronics accessories, keepsakes).

How to Build Your Size Assortment

For most wholesale buyers, a practical starting ratio looks like this:

• Medium — 40% of your size mix. The safest, fastest-turning size.
• Large — 30%. Strong holiday and birthday demand.
• Small — 20%. Favors, jewelry, and impulse add-ons.
• Extra-large — 10%. Lower volume but high perceived value; don't skip it entirely.

Adjust from there based on your own sales data. Distributors serving dollar-store or party channels often tilt heavier toward small and medium, while gift and department-store buyers lean toward medium and large.

Gusset Depth Matters More Than You Think

Two bags can share the same width and height but hold very different gifts. The gusset (side depth) determines whether a boxy item — a mug, a folded sweater, a toy in its box — actually fits. When comparing suppliers, always check the full three-dimensional spec, not just width and height. A deep gusset also makes the bag stand upright on the shelf, which improves display and perceived quality.

Size Consistency Across Your Line

One underrated supplier question: are sizes consistent across designs? If your "medium" varies by half an inch between the Christmas line and the birthday line, planograms and shelf displays become a headache. Ask for a size chart and verify it against physical samples before committing to a large order. Kadi's gift bag collection is produced to fixed size standards across all 150 designs, so a medium is a medium no matter which artwork you choose.

Custom Sizes: When Stock Sizes Don't Fit

Sometimes the standard sizes genuinely don't work — a product line with unusual dimensions, a private-label program, or a retailer's fixed planogram. In that case, custom sizing (ODM) is the answer. Expect:

• A dieline and digital proof for approval before tooling.
• A physical sample to verify fit with your actual products.
• Slightly higher MOQs than stock sizes, since the factory sets up dedicated tooling.

Custom sizes add roughly 1–2 weeks to the sampling phase, so build that into your seasonal calendar. You can read more about the process in our OEM/ODM guide, and the FAQ page covers MOQs and lead times.

Quick Checklist Before You Order

• Confirm the three-dimensional spec (W × H × gusset) for each size, not just W × H.
• Match your size ratio to your main occasions and channels.
• Verify size consistency across designs with physical samples.
• Check handle strength at each size — larger bags need stronger handles and reinforced tops.
• For custom sizes, approve the dieline and physical sample before mass production.