Silipints are made of 100% food-grade, FDA approved, platinum-cured silicone that is free of BPA, BPS and phthalates. Theyre durable, eco-friendly & will never wear out. Silipints will not break, crack, chip, dent, fade or scratch. With a Silipint Straw Tumbler in hand, you can go where no other drinkware can… everywhere! So go ahead, take this tough-as-nails tumbler anywhere and put it to the test - whether its iced coffee, hydration on the go, a refreshing smoothie, or an extra thick milkshake, this 22oz unbreakable companion never takes a break so you never miss a moment. Silipints are safe for the microwave, freezer & more. Hand wash only. 22oz