Aminno Smart Seal Lid is an innovation in dry food storage; It locks into place with a simple twist and creates a firm seal; Slim lid maximizes usable storage space Clear Glass body with Bamboo Lid allows you to easily identify items; You can stack and nest the canisters for a tidy and organized appearance Dishwasher safe, handwash recommended; Lid comes apart easily to clean; Can also store liquids; Works in the refrigerator and freezer.