Sip in Style! 💜 1/4 turn locking cap ensures no spills on the go. Crafted with pure borosilicate glass, BPA and phthalate free. Vibrant purple design that stands out in any setting. Silicone suspension system absorbs shocks and protects your drink. Double-walled insulation for optimal temperature control. Leak-proof design Keeps drinks hot Keeps drinks cold The Zoku ZK128-PU Insulated Double-Walled Bottle combines a sleek purple design with advanced insulation technology, featuring a pure borosilicate glass core and a silicone suspension system for impact protection. Its leak-proof cap and BPA-free materials make it the perfect companion for both hot and cold beverages, ensuring you stay refreshed and stylish.