Film Canisters - Ideal for Canister Rocket Experiments - Perfect For Storage of Pills, Craft Items, and Coins, Great for Storage of Chemicals and Samples in Laboratories (30 Pieces) VERSATILE - Film Canisters can be used for a lot more than just storing films, be it storage of small items, storage of items to prevent moisture ingress, as an object of science experiments, geocaching containers, or as a storage item for Craftwork. INNUMERABLE USES - The containers can be used to store buttons, coins, needles, tablets or a whole range of craftwork items. The tight seal of these containers allow them to be used for film canister rocket experiments (which use Alka-Seltzer to create the thrust). These can also be used for other studies like, providing chemical samples to students for identification, and even for storing samples for testing in laboratories. Just to name a few possible uses! SET OF 20, 30, or 50 - Our film canisters come in a set of 20, 30 or 50 pieces based on your need, and which makes your storage space look pretty due to similar color, size and shape of the containers. Moreover, you will get a far better price than buying individual Film Canisters. HIGH QUALITY - The high precision fitting lids prevent ingress of moisture, thus allow for a moisture free storage of substances. The lids prevent leakage of even the gaseous substances - thus allowing the buildup of pressure in scientific projects like film canister rockets. 100% RISK-FREE SATISFACTION GUARANTEE - We offer you 100% Risk-Free satisfaction guarantee so that you can buy with confidence; if you are not completely satisfied with your purchase we will give you a full refund, no questions asked. However, we are quite sure that these small canisters will prove to be quite handy during travel, work, or for organization of household or craft items.