Design for Living 16-Ounce Stackable Water Bottle, Jazz Berry Easy twist-on, twist-off cap with no exposed threads makes it comfortable to drink from Bottles stack neatly in fridge or cabinet; won't roll around, top rack dishwasher safe Made from durable, commercial quality, food safe tritan plastic; odor and stain resistant Ideal for use ever day with water or iced beverages in the office, outdoors, in the gym or at home Patented lid design securely locks the cap in place creating a water and air-tight seal, no leaks