COMPATIBILITY - These lids fit great for most 30 ounces’ tumblers. TOP FOLD FLAT - The flap could fold flat when it's in an open position, perfectly resolve the problem of the old lid that the nose always get wetted from touching the lid. STRAW-FRIENDLY - An independent vent has been designed on this lid. The air hole is compatible with straws less than 0.35" / 8mm diameter. SPILL-PROOF - With this lid, you could prevent any spill of water or drink from the tumbler. It also provides an isolated space for your drink. SUPERIOR QUALITY - The lid and the top is made from premium quality AS and Tritan, which is nontoxic. Hold tight, straw-friendly design with sip hole. NOTICE
* Please open the straw hole when with hot drink in the tumbler.
* The top could be folded flat, which will not touch the nose while drinking.

DETAILS Color: Blue & Purple & Black Material: Silicone Product Diameter: 4.3" PACKAGE INCLUDES 3 x 30oz Tumbler Lids