100% Leakproof Guarantee with Certified Design : Every lid undergoes rigorous pressure testing to ensure zero spills—our commitment to reliability. The flip-top straw enables quick sipping, while the snap-lock seal provides instant leak protection. Perfect for active lifestyles, whether commuting, hiking, or gym sessions. Precision Fit for Stanley 40oz Tumbler : Engineered exclusively for Stanley 40oz handle mugs, this lid features a patented locking mechanism that delivers an airtight seal. Combines seamless compatibility with enhanced usability, ensuring your drink stays secure during intense movement. Effortless Maintenance with Modular Design : All components are tool-free detachable, including the straw and silicone gaskets. Dishwasher-safe (top rack recommended) for hygienic, hassle-free cleaning—no residue buildup guaranteed. Premium Eco-Conscious Materials : Made of BPA-free PCTG, this lid offers crystal clarity and odor resistance. 100% recyclable to reduce environmental impact, supporting a sustainable future without compromising safety. Complete Accessory Bundle : Includes: 2× Leakproof lids + 2× Durable straws + 2× Brush + 1× Crowbar. Designed for versatile use—ideal for hot coffee, iced beverages, or protein shakes during outdoor adventures and daily routines. Engineered for the Stanley 40oz tumbler, this leakproof lid features a snap-lock seal and flip-top straw, rigorously tested for zero spills during commutes, workouts, or outdoor adventures. Made of BPA-free, recyclable PCTG, its modular design allows effortless disassembly and dishwasher-safe cleaning. The bundle includes 2 lids, 2 straws, and a stainless steel pry tool—ensuring durability, eco-conscious performance, and seamless compatibility with your favorite mug.