Features: 1.These lids fit RTIC, YETI, Ozark with perfect tight seal, and any other 30/20oz vacuum insulated stainless steel tumblers. 2.Made with top food grade crystal clear plastic .It’s eco-friendly, non-toxic materials, BPA free dishwasher safe and straw friendly. Specifications: Material: Food grade AS+Silicone Product Size:Fits many other brands of 20/30 ounce …