Compatible with 30 oz and 40 oz Stanley Cups
Designed to perfectly fit Stanley tumblers of 30 and 40 ounces for a tight and secure seal.Complete 2-Pack Set
Includes two sets of silicone seals with straw, cover, and cap—ideal for replacements or sharing with family.High-Quality Food-Grade Silicone
Made from durable, BPA-free silicone material ensuring safety and long-lasting use.Leak-Proof Design
Prevents spills and leaks, keeping your drink secure while on the move.Easy to Clean and Maintain
Silicone parts are dishwasher safe and simple to clean for hassle-free maintenance.Flexible and Durable
Silicone seals maintain elasticity and resist wear over time, extending the life of your cup accessories.Perfect Replacement for Worn or Lost Parts
Restore your Stanley cup to like-new condition with this comprehensive seal kit.