Docik 30 Oz Lid, Offer You Better Life! Do you love your tumblers, but hate cleaning up spills and splashes? If so, then our replacement sliding lid is for you. Our splash proof slider lid was designed to improve your favorite 30 oz stainless steel tumbler, by locking in the cold and preventing that annoying splashing from the wide-mouth spout while driving, boating, hiking, biking, fishing, hunting, tailgating & many other adventures. Each splash proof spill resistant slider lid is engineered with a splash proof retractable covering, leak free seals, & BPA-free materials. The splash proof slider will reduce if not eliminate the mess when your tumbler topples over. The splash proof slider lid is the perfect replacement lid for your 30 oz stainless steel tumbler and is designed to securely fit: YETI, RTIC, SIC, Magnum Steel, ORCA & all other top-rated tumblers! Upgrade your drinking experience with this spill and splash resistant slider lid by reducing spills and leaks on the go! Guaranteed Service: If you are not satisfied while using it, please feel free to contact us. Our Excellent Customer Service will make you with No Worries after you buy it.