Hydro Flasks Closeable Press-In Lids slide shut to tame splashes and trap temps, then slide open wide enough for easy drinking and reusable straws. Hydro Flask Medium Closable Press-In Lid Features: Size medium compatible with 10 oz (295 ml) Rocks, 12 oz (355 ml) Mug, 16 oz (473 ml) Tumbler and 22 oz (650 ml) Tumbler Tames beverage splashes and stops heat and cold escaping Easily presses into compatible products Slides open wide enough for easy drinking and reusable straws BPA-Free & Toxin-Free Dishwasher safe
