Tritan plastic: BPA-free. Our Gonex bottles are made from 100% non-toxic imported Tritan Co-polyester plastic, which is do no harm to our body and it is environmentally friendly. What's more, its environmental material makes it SAFE even you pour the 100 ℃ hot water in it. Gonex water bottle is the right choice since it is durable, non-toxic and safe.Fashionable design: It is premium quality single wall design that is unlike the other dull, off the shelf water bottle. It looks more practical and functional than any other water bottle. It is ergonomically shaped to make one-handed use a breeze, with a special reflective frosted casing. The Nylon Carry-strap is tough enough to hold the bottle filling with water. It is large enough to carry full bottle water for whole day drink especially for someone who likes outdoor sports.Lightweight:This type is 32 ounce, 1000ml, which is tough durable and resistant to impact. Its air hold design that places on the lid ensures fast flow of water with effortless drinking. There is a one-handed push of a button on the top of the special spill-proof.Bottle Mouth: Consistent with the lip, which avoids being choked by fast drinking. And its top air hold makes the bottle 100% leak-proof and dirt-proof. It is also very easy to open the bottle with just only one-click, slide your hand into the side strap and start drinking. The Gonex bottle is perfect for running, gym, yoga, tennis, hiking, office use or travelling.Guarantee: We want to be the best choice that you have options here, and that's why we offer a 100% satisfaction guarantee. If our product doesn't meet your standards for any reason, just send it back for a replacement or a full refund.