Contigo Autospout Straw Waveland Water Bottle, 18-Ounce, Apple Green Double wall construction reduces sweating and keeps beverages cold for up to 2-hour 100-percent bpa free; water bottle is made out of tritan, which provides high impact resistance and won't stain or retain odors Top-rack dishwasher safe Sleek design fits car cup holders for travel Wide opening fits ice cubes Lifetime Warranty