Hydro Flask Large Closeable Press-In Lid - Closeable Press-In Lids slide shut to tame splashes and trap temps, then slide open wide enough for easy drinking and reusable straws. Features Size large compatible with 24oz Mug and 32oz Tumbler Tames beverage splashes and keeps heat and cold from escaping Easily presses into compatible products Slides open wide enough for easy drinking and reusable straws BPA-Free & Toxin-Free Dishwasher safe