[ EASY TO CLEAN ] – BONMIXC protein shake bottle with wide mouth is easy to fill water and protein powder, and provides an easy clean for wash. Meanwhile it’s dishwasher safe, too. [ LEAKPROOF ] – No extra parts, the simple lid is one-click-open and 360° leakproof effectively. [ UNIQUE CARRYING HOOK ] – Innovative carrying hook instead of simple loop is designed for both being carried with your fingertips and hung on your backpack, which provides more convenience on the go. [ DURABLE ] - BONMIXC protein bottle is lightweight and shatter-proof, has much greater impact resistance than common plastic ones. [ SAFER ] - BPA-free isn't good enough anymore if you're using a plastic bottle. Tritan Copolyester means free of not only BPA, short for bisphenol A, but also free of other chemicals that mimic the hormone estrogen. BONMIXC sports shaker bottle is made of Tritan Copolyester, ensures your water or supplements stay clean and safe.