【Package and Size】You will receive 10 35mm film case. Outside diameter: 33 mm/ 1.3 inch, inner diameter: 30 mm/ 1.2 inch, height: 54 mm/ 2.1 inch. We also give you a sufficient number of labels to easily distinguish your items. | 【Material】Film canisters with caps is made of clear PE plastic, non-toxic, odorless, and reusable container, small but reliable, good tightness. | Its airtight design make it perfect for building pressure inside, popular for their use as containers for science or lab experiments, kids school projects, or other small item storage, making it perfect for canister rockets. | 【Easy to Use】Tight sealing lids to prevent from losing items, you can keep and use film canisters with caps for rockets easily, the lid on the top makes them airtight, you don't have to worry about the item falling out, you can put items in them without worry. Small volume, thus you can easily put them in your handbags, backpacks, pockets, wallets, drawers, etc. | 【Widely Application】The plastic film canister holders can store small items well and prevent items from getting lost. Such as sewing supplies, scientific experiments, first aid materials, pills, films, small batteries, pins, coins, needles, art beads, keys, etc.