Easy-to-open -no twisting turning or hand strength required *Canisters open and close with a press of the finger or the palm of the hand requiring minimal to no hand strength *Ideal for children, seniors or anyone with the use of only one hand or limited hand strength/gripping ability * Use for food storage storage of household items office supplies, garage items * 3 sizes: small-25 oz. (750 ml)  medium-45 oz. (1350 ml) and large-67 oz. (2000 ml) *  Top rack dishwasher safe * Warranty: 12 months parts and labor