Fangrui Product Details Package Content: You Get 4 Pieces Of Silicone Stoppers For 24oz 32oz, 4 Springs, 1 Screwdriver And 4 Pieces Of Buttons. Sufficient Quantity And Collocation Can Meet Your Needs. Compatibility: Our Buttons And Silicone Stoppers Are Compatible With Stainless Steel Water Bottles, And Compatible With 19oz 24oz 25oz 32oz 40oz. Please Note That Our Product Is Not Sponsored Or Endorsed By, Or Affiliated With The It Fits, Including . Premium Material: Our Bottle Stoppers Are Made Of Good-quality Silicone, Food-contactable, Free, Sturdy And Long-lasting. And The Buttons For Are Made Of Premium Plastic, Not Easy To Break, And Suitable For Long-time Use. Easy To Install And Dishwasher Safe. Easy To Install Button: , Align The Seam To Pry The Old Button With Screwdriver; Then, Align The Hole Location To Install Spring; Next, Align The Button With The Spring And Hard; The Installation Of Button Is Complete. Practicality: After Long-time Use, The Stoppers And Bottle Buttons O