What You Will Get：8-Piece Complete Kit:Includes 2 silicone protective boots + 6 spill stoppers (2 straw covers 2 round stoppers 2 square stoppers) Compatible with Stanley：Perfect Fit:Designed exclusively for Stanley Quencher H2.0 Tumblers (20/30/40 oz with logo lid) & IceFlow Flip (20/30 oz).Universal Sizing:Fits any tumbler with a base diameter of 2.8”-3” (7.1-7.6 cm) No More Spills：Triple Leak-Proof Design:Straw Covers:Block dust and debris.Square Stoppers:Create a tight seal to lock liquid and secure straws.Round Stoppers:Snugly fit under lids with sliced airflow holes to eliminate suction for smooth drinking Scratch-Free Protection：Durable Silicone Boots:Prevent slips dents and surface scratches.Reduce noise on hard surfaces and improve grip.Easy to clean with built-in air-release hole Same Color Matching：Seamless Aesthetics:Precision-crafted to match original Stanley tumbler colors.Choose from multiple hues for a cohesive look What You Will Get：8-Piece Complete Kit:Includes 2 silicone protective boots + 6 spill stoppers (2 straw covers 2 round stoppers 2 square stoppers) Compatible with Stanley：Perfect Fit:Designed exclusively for Stanley Quencher H2.0 Tumblers (20/30/40 oz with logo lid) & IceFlow Flip (20/30 oz).Universal Sizing:Fits any tumbler with a base diameter of 2.8”-3” (7.1-7.6 cm) No More Spills：Triple Leak-Proof Design:Straw Covers:Block dust and debris.Square Stoppers:Create a tight seal to lock liquid and secure straws.Round Stoppers:Snugly fit under lids with sliced airflow holes to eliminate suction for smooth drinking Scratch-Free Protection：Durable Silicone Boots:Prevent slips dents and surface scratches.Reduce noise on hard surfaces and improve grip.Easy to clean with built-in air-release hole Same Color Matching：Seamless Aesthetics:Precision-crafted to match original Stanley tumbler colors.Choose from multiple hues for a cohesive look