Package: includes 100 film cassettes with lid, cylindrical plastic container, outer diameter: 33 mm/1.3 inches, inner diameter: 30 mm/1.2 inches, height: 54 mm/2.1 inches, please refer to the product picture for detailed dimensions | Tight Sealing Lid: a tightly sealing lid prevents items from leaking; Whether it contains liquid or solid or powder, shake it vigorously or even turn it upside down, the contents will not leak; So it is suitable for small items such as acrylic paint, paint, aluminum powder, screws, etc. to be dispensed; The lid fits tightly and allows pressure to build up and generate high flying rockets to better complete the Rockets experiment | Quality Material: the material of the film box is polypropylene (PP), which is odorless, tasteless, light in quality, good in toughness, good in chemical resistance, and strong in heat resistance; It can be applied for dishwasher cleaning and microwave heating; Reusable container, small but reliable, airtight, safe and reusable, durable and non breakable, can serve you for a long time | Easy to Use: tightly sealing lids prevent items from getting lost, they can easily be applied as a safe way to store items, and you can put them in pockets, purses, bags, drawers and other compartments; The lid has uneven texture, which increases the friction between the hand and the lid, so that you can open the lid effortlessly | Not Just for Camera Reel: not only does the product do a great job of preserving film, but it is also excellent in other areas; Because of its good material, good airtightness, small size and light weight, it can be applied for rocket testing, storing subpackaged paint and acrylic paint without deterioration, and storing small accessories such as drill bits, beads, fishing hooks, and more