SUPER LEAK-PROOF DESIGN FOR STANLEY: Engineered to prevent liquid leakage, this flip lid for stanley offers excellent sealing performance. With a simple yet stylish design, it's suitable for various occasions, half the size of a cell phone for easy storage and cleaning,ensuring both form and function are at the forefront. SAFE AND DURABLE MATERIAL: Crafted from BPA-free, with food-grade 3mm silicone, this replacement lid for stanley cup supports temperatures of -30 degrees to 120 degrees with our lids for spill proof 40oz stanley cup. CONVENIENT COLLAPSIBLE STRAW: Featuring a collapsible straw design perfect compatible with stanley, this lid provides hygienic and convenient drinking. It prevents dust from entering the cup of stanley, allowing you to enjoy your favorite drinks effortlessly, whether on the move or at rest. INSTANT WATER FEEDBACK: Enjoying the lid compatible with stanley in real time with the transparent cover, providing visual feedback on drinking status and speed. This replacement lid is odorless and transparent, promising a safe and reusable solution for Stanley 40 oz Tumbler. WHAT YOU GET: LZP Prime Lid FIT for Stanley Cup (2 pcs lids,one for pills,one for coffee ), 24-hours with our friendly customer service. Note: Supports only for Stanley 40 OZ. 40 OZ Tumbler Lid Replacement Compatible for Stanley Cup, Upgraded Thickened Lid Leak Proof Travel Spill Proof Tumbler Covers for Stanley Cup Accessories, Replacement Lids Fit for Stanley - White