Nonspill Tumblers feature an innovative design - each have a leak-proof, squeezable bottle with easy-hold handles. the tumbler's threaded lid stays on, even if dropped. This helps mealtimes to be stress free, as the tumbler prevent spills. For added convenience, the tumblers have the option of drinking from the formed mouthpiece or using a straw through the mouthpiece. Self-closing mouthpiece prevents liquid from spilling. Ideal for family members with Parkinson's, ALS, weak grips, or shaky hands. Smaller tumbler (16 oz.) has a large handle and straight body.