Replacement Lid with Retractable Sip Hole Cover for 20 Oz (Ounce) Insulated Tumblers | Straw Ready (Clear) Replacement lid with retractable sip hole cover for use with the ICONIQ 20 Ounce Insulated Tumbler and compatible tumbler models. Custom designed, easy-to-use, retractable sip hole cover prevents spills and helps keep your drink insulated longer. Please note that the sip hole cover is not designed to create a watertight seal and will not prevent leakage if tipped over or held at an improper angle. Contoured wide mouthed sip hole allows for direct sipping or for use with a straw. Crafted from durable tritan plastic that is long lasting, dishwasher safe, and 100% BPA free. Available in clear or in smoke colored versions.