This 30-pack of clear film canisters are great for a wide variety of applications other than storing 35mm film. Store beads, coins, needles, pins, seeds, batteries, and other small parts you'd want to easily stow away in a drawer or carry with you in your purse. Each container comes with a micro-precision, tight sealing lid to keep its contents secure. These cylindrical capsules are also the perfect supplies to build film canister rockets for science class. Fill each canister with a little water, drop in effervescent tablets, snap the lids shut, and watch the experiment take effect through the clear plastic casing!35mm Film Canisters: Includes 30 cylinder plastic containers to provide you with the ideal solution for all your portable storage needs.See-Through Plastic: Made of clear Polyethylene plastic which conveniently displays the contents within even when unopened.Tight-Sealing Lids: Tight sealing fitted lid prevents liquid from leaking when snapped on. Perfect for building up pressure when creating your own effervescent canister rockets.Store a Variety of Items: Store old film, buttons, rings, seeds, small little trinkets, or even grow small plants within.Dimensions: Film canisters measure 1.25 inches in diameter and 2.15 inches in height.