YourItBag Editorial

Ita Bag Size Guide: How Many Pins Fit — and Which Size to Buy

Window size determines everything: how many pins fit, what size plushie you can display, and what insert to buy. This guide gives exact capacity estimates for every ita bag format so you buy the right size the first time.

Window Size and What It Means

Every ita bag product page at YourItBag lists the display window dimensions. The three measurements that matter:

  • Width × Height (W×H) — the visible area of the window. Larger = more pins. A 20×25cm window gives significantly more display room than a 15×18cm window.
  • Window depth — the front-to-back distance inside the window pocket. Flat pins need 2–4cm depth. Plushies need 5–8cm depth minimum.
  • Insert pocket dimensions — where the insert board sits. Always measure the interior of the pocket, not the outside of the bag.

Pin Capacity by Window Size

Capacity estimates assume standard 25–32mm enamel pins with 5–8mm spacing between pins. Pins larger than 40mm will reduce capacity.

Window Size Bag Type Standard Pins (25mm) Large Pins (40–58mm)
12×15cm (tiny) Mini / wallet 8–15 pins 4–8 pins
15×20cm (small) Mini / crossbody 15–25 pins 8–12 pins
20×25cm (medium) Medium crossbody / backpack 30–45 pins 15–22 pins
25×30cm (large) Full backpack 50–70 pins 25–35 pins
30×35cm+ (XL) Large backpack / laptop bag 70–100+ pins 35–50 pins

Plushie and Figure Fit

For plushies, window depth matters more than width or height. A plushie sits against the insert board, so the window needs to be deep enough to accommodate the plushie’s thickness from front to back.

Plushie Height Typical Thickness Min Window Depth Needed
10–12cm (small) 5–7cm 6cm depth
15–18cm (medium) 7–10cm 8cm depth
20–25cm (large) 10–14cm 10cm depth minimum

For plushie-specific builds, see: plushie ita bags and best ita bags for plushies.

Photocard Capacity

Standard K-pop photocards measure 5.5×8.5cm. In a clear top-loader sleeve (5.8×9cm), they fit flat against any insert:

  • 15×20cm window: 12–18 photocards in a grid arrangement
  • 20×25cm window: 20–30 photocards
  • 25×30cm window: 30–45 photocards

Mixed builds (photocards + pins) should allow extra spacing around photocards — pin backs protruding from adjacent pins can scratch card sleeves. See: best ita bags for K-pop photocards.

How to Size Your Insert

The insert goes inside the display window pocket. To find the right size:

  1. Open the display window zipper
  2. Measure the interior width and height of the pocket — not the outside of the bag
  3. Cut foam board or plastic canvas 2–3mm smaller on each side so it slides in and out easily
  4. Test: the insert should sit flat and not bow; the zipper should close fully over it

If your bag includes an insert, the included board is already cut to fit. If not, buy foam board from a craft store or order from the inserts section.

Which Bag Format to Choose

  • 10–20 pins or 1 small plushie: Mini ita bag or small crossbody. Light carry, focused shrine, good for everyday use.
  • 20–40 pins or medium plushie: Medium crossbody or small backpack. Most popular format — versatile between daily carry and cons.
  • 40–80+ pins: Full backpack format. Best for convention display builds; needs comfortable straps for all-day carry. See: best ita bags for conventions.
  • Photocards only: Flat, shallow window any size. Width matters more than depth. See: best ita bags for K-pop photocards.
  • School carry: Backpack with laptop sleeve. See: best ita bags for school.

Frequently Asked Questions

How many pins fit in an ita bag?
Depends on window size: 10–20 pins in a mini bag, 30–45 in a medium bag, 50–70+ in a large backpack. See the capacity table above for estimates by window size.

What size insert do I need for a 20×25cm window?
Cut your insert to approximately 19×24cm — 1mm smaller on each side to allow easy insertion and removal without forcing the zipper.

Will a 20cm plushie fit in a standard ita bag?
Only in bags with at least 8–10cm window depth. Standard flat-window ita bags have 3–5cm depth, which suits pins and photocards but not large plushies. See plushie ita bags for deep-window options.

What is the biggest ita bag window available?
The largest backpacks in the YourItBag catalog have windows up to 30×35cm. Exact dimensions are listed on each product page.

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