No-drip valves easily dispense gels and lotions. Large openings are easy to fill and clean, and integrated rubber seals prevents leaks. Bottles have rotating collars and integrated labels so you can mark the contents as conditioner, shampoo, sunblock, lotion or soap. Tighten the caps to lock collars in place. Bottles are sized to slip easily into bags and purses. Tubes and collars are dishwasher safe. Hand wash the caps in warm, soapy water. Food-grade silicone humangear GoToob bottles and polypropylene caps are 100% BPA free.