Fangrui Product Details [food Grade Safety]bpa-free, Food Grade, Good Sealing, No Water Leakage, Hand Washable Or Dishwasher Safe, High Temperature Resistant, Meets Daily Cleaning Needs, Sturdy And Durable. [leakproof Seal]our Water Bottle Cap Has Excellent Sealing Ability To Prevent Any Liquid Leakage, Maintaining The Temperature And Taste Of Hot And Cold Drinks. It Also Prevents Foreign Objects From Entering The Water Bottle, Keeping The Water Clean And Leak-free. [aesthetic Upgrade]after Long-term Use, The Old Bottle Cap Will Inevitably Wear And Age, Resulting In Loss Of Normal Function And Affecting The Appearance. Our One-click Water Bottle Cap Gives Your Thermos A New Look, Maintains A Clean Appearance And Enhances Your Overall User Experience. [environmentally Friendly Choice]by Replacing The Worn Or Damaged Old Bottle Cap, You Can Avoid Discarding The Entire Thermos Bottle Unnecessarily, And This One-click Water Bottle Top Cap Is In Line With A Sustainable Lifestyle. Please Choose Our Bottle Cap, It Will Wor