Silicone grip & nonslip bottom. BPA free. Cold 24 hours. Sweat proof. Fits cupholder. Sip. Drink. Gulp. Sip it your way! 3-in-1 lid. How do you sip it? Thirsty for more? Facebook: /reduceeveryday. Instagram: (at)reduceeveryday. Reduceeveryday.com. Made in China.