The 24-ounce Sport Bottle with Covered Straw from Thermos TP4706TL6 brand is made with BPA-free, impact resistant and dishwasher durable Eastman Tritan copolyester. The large diameter of the silicone straw is ideal for shakes and smoothies. The snap closure on the lid protects the silicone straw, keeping it protected, and also functions as a carry loop. The straw is removable and easy to clean. Capacity markings are integrated into the bottle to assist with monitoring intake. Not for use with hot liquids.