Replacement LEAK-PROOF Lid for 30 Or Tumbler Stainless Steel Tumbler FITS ALL 30 oz TUMBLERS LIKE A GLOVE!: Own a Smart Cooler, Yeti Rambler, RTIC, SIC or ANY stainless steel, 30 oz tumbler? Weve got you covered  literally! Our lid is made to accommodate ALL popular tumbler brands, acting as the best lid replacement or a second, handy lid for your most favorite everyday accessory: your prized tumbler! LEAK-PROOF, ADVANCED INSULATION, TIGHT SEAL: We manufacture our lids aiming for your ultimate satisfaction and convenience. Our proprietary design and cutting-edge, reinforced lid insulation ensure effortless use and maximum drink temperature retention capacity. Sealing firmly on your tumblers mouth, our lid prevents accidental spills and leaks, ensuring you enjoy every last drop of your favorite drinks! 100% SAFE, MADE FROM HEAVY DUTY TRITAN: Taking advantage of Tritans inherent properties, we have come up with the best tumbler replacement lid currently on the market! BPA-Free and RID of ANY other chemicals, it is absolutely safe to use, as it will NOT transfer any harmful compounds in your drinks, no matter what their temperature! RETRACTABLE COVER, LESS REFILLS!: Love to sip from a straw? No problem! Our lids wide mouth and slip cover accommodates either sipping directly or using a straw, hassle-free! Owing to its exceptional clarity, you can effortlessly peak at your tumblers contents and ONLY fill up when its time for MORE! 30-DAY MONEY-BACK GUARANTEE & LIFETIME WARRANTY!: If youre not happy  so are we! We expect you to LOVE your brand new lid, otherwise you can return it to us in 30 Days and receive a FULL refund! PLUS, all SmartCoolers lids are backed by an amazing LIFETIME WARRANTY for any faults besides normal wear and tear! Get Now The Best Tumbler Replacement Lid With Slider Closure On Amazon!