【Upgrade Leakproof】 Messy-free Lid for Stanely Quencher H2.0 Features all-silicone sealing edge creating pressure-fit barrier against cup walls, plus extended insertion depth (1.38"/3.5cm deep) for no spill protection - outperforms other plastic lid. 【Dual-Drink Modes】 ① Straw Mode: Fold out sipper with included silicone straw (brush included). ② Direct Mode: Wide mouth opening for fast, messy-free gulping after workouts. Perfect for gym, hiking or hot days! 【Straw Always Facing You】The Press-fit silicone design of stanley 40 OZ flip straw lid eliminates thread alignment issues. Rotate lid freely to position straw/gulp opening perfectly toward you - no more awkward drinking angles! 【Noise-Reducing Cup Boot】Provided with a full silicone stanley boots 40oz which protects tumbler base from scratches and reduce clanking noise. Essential for baby nurseries, offices, libraries - silent anywhere 【Dishwasher-Safe & Easy to Clean】Our stanley cup accessories are made of silicone and PC material, the 2 parts are detachable completely for thorough cleaning. Withstands -4°F to 212°F- survives freezer to dishwasher cycles Silicone Lid Replacement for Stanley Cup 40oz with Cup Boot