Features: ALL ROUND SPILL PROOFThe straw tips cover can prevent beverages from spill from the straw and dirt from entering, keeping the straw clean.The square anti overflow cover can form a seal and secure the straw.The round leak proof plug with an open design is used to improve sealing and ensure that air can enter when drinking. MAIN MATERIALMade of safe food grade silicone, durable and reusable, environmentally friendly. Can be used for a long time without deformation. Good heat resistance and sealing performance. EASY TO INSTALL AND CLEANOur spill proof stopper set is compact and lightweight, easy to install and portable, making it perfect for outdoor activities. Hand washable and dishwasher safe. A thoughtful gift for family and friends! IDEAL GIFTThe reusable spill proof stopper set is a perfect companion for cups. Small and convenient, it is portable, practical and leak proof in all areas. You can use it yourself or give it as a gift to your family or friends. YOU WILL RECEIVEAre you still worried that the tumbler will leak and stain your clothes, desk or backpack?Let our spill proof stopper set solve everything for you.Including 4pcs straw covers, 4pcs square anti overflow covers, and 4pcs circular leak proof cover. Effectively preventing splashing and dust. Specifications: Material: Silicone Color: White Length of straw cover: About 6cm/2.36inch Length ofsquare anti overflow cover:About 2.5cm/0.98inch Diameter ofcircular leak proof cover:About 2.5cm/0.98inch Package Included: 4pcs x straw cover 4pcs x square anti overflow cover 4pcs x circular leak proof cover Note: 1. Due to the light and screen difference, the itemand 039;s color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.