30oz Spill-Proof Lid This tumbler lid is specially design for Yeti Rambler, Old Style RTIC, Ozark Trail and most other 30 oz tumblers or cups, helps to prevent any spill of drinks. With this lid, there is no more worry about the spill of water or drink. It helps to prevent spilling while turning over the tumbler and to keep your drink insulated. For Anywhere Use Featuring a new locking mechanism, the clasp is locking tight, liquid will never leak from the hole. It's especially helpful when having hot drink in the mug or tumbler. No more worry about scald. Have one of these lids in your car, avoid any damage to the seat accidently. Set 3 Packs: This tumbler lid is specially design for Yeti Rambler, Old Style RTIC, Ozark Trail and most other 30 oz tumblers or cups, prevents any spill of drinks. Spill-Proof: With this lid, there is no more worry about the spill of water or drinks. It helps to prevent spill while turning over the tumbler and keep your drink insulated.Notice: this lid not fit for New Style RTIC tumbler. High Quality Material: Made of ABS crystal clear plastic which is BPA free, the lid can be in touch with the drinks directly. LOCKING TIGHT: Featuring a new locking mechanism, the clasp is locking tight, liquid will never leak from the hole. Package includes: 3 * black spill proof and splash resistant tumbler lids, 30 oz