This 750ml Tritan bottle, with a cat theme, from iDrink (reference ID2120H), is a reusable bottle made of transparent copolyester. Tritan is a BPA-free, transparent, and virtually unbreakable copolyester that does not retain odors or stains and is resistant to both heat and cold, and is dishwasher safe. This is the larger capacity version of the same cat theme, also available in 500ml. It's a preferred option for cat lovers who need more volume than the 500ml version.