Feature 1Leak Proof Design: The silicone spill proof stopper set adopts an anti overflow design, which can avoid inconvenience caused by water leakage. 2Silicone Material: The spill proof stopper set is made of food grade silicone material, which is free of harmful substances and safe and healthy. 3Compact And Portable design: The silicone spill proof stopper set is small in size and easy to carry, will not increase your burden. 4Easy To Clean: The silicone spill proof stopper set is easy to clean and convenient for next use. With accurate shape and size design. 5Good Workmanship: Spill proof stopper set, with exquisite workmanship and aimple appearance, provides you great using experience.Item Type:SiliconeSpillProofStopperSetProduct Material: SiliconeWeight: Approx. 40g / 1.4oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List4 x Straw Cover Cap4 x Round Lid Stopper Plug4 x Square Leak Stopper