Keep your toothbrush safe and clean with our bamboo travel case, made from 100% bamboo! These are made from real whole bamboo stalks. No plastic parts are used, making this product entirely natural and biodegradable. Each travel case has small air holes to release moisture. Diameter varies with each production run . Keep in dry and unenclosed place between uses. Note: Brush not included Please remember to wipe your toothbrush dry before placing it into the travel case. This will prevent swelling of the bamboo. Just a quick wipe is all that is needed.