30 Ounce Yeti Replacement Lid with Spill Resistant Sliding Cover + FREE Stainless Steel Straw | Compatible with RTIC, ICONIQ, YETI and SIC 30oz Tumblers (30oz, Smoke) SIZE: Yeti, Ozark Trail and RTIC 30oz replacement lid with spill resistant sliding cover. PURPOSE: Lid was designed specifically for Yeti, Ozark Trail and RTIC 30oz tumblers after strong feedback from customers indicating they werent happy with the standard (non-closable) lid. YETI vs. PHOENIX ICE: Our custom designed lid features a sliding/retractable sip hole cover. The sip hole cover provides significant spill resistance when compared to Yetis standard lid, which offers little to no spill resistance. COLOR: Smoke