Features: ALL ROUND SPILL PROOF The straw cover can prevent beverages from spilling through the straw and keep dirt from entering, maintaining straw cleanliness. The square anti-overflow cover creates a secure seal around the straw. The round leak-proof plug features an open design to enhance sealing while allowing air to enter during drinking. MAIN MATERIAL Made of safe food-grade silicone, durable and reusable, environmentally friendly. Resistant to deformation with long-term use. Offers good heat resistance and reliable sealing performance. EASY TO INSTALL AND CLEAN Compact and lightweight design makes the spill-proof stopper set easy to install and carry, ideal for outdoor use. Safe for hand washing and dishwasher cleaning. IDEAL GIFT This reusable spill-proof stopper set is a practical companion for cups. Small, portable, and leak-proof, it is convenient for everyday use and makes a thoughtful gift for family and friends. YOU WILL RECEIVE Tired of spills staining clothes, desks, or bags? Our spill-proof stopper set provides an effective solution. Includes: 4 straw covers, 4 square anti-overflow covers, and 4 circular leak-proof plugs. Helps prevent splashing and dust contamination. Specifications: Material: Silicone Color: White Straw cover length: Approximately 6cm / 2.36 inches Square anti-overflow cover length: Approximately 2.5cm / 0.98 inches Circular leak-proof plug diameter: Approximately 2.5cm / 0.98 inches Package Included: 4 x Straw Cover 4 x Square Anti-Overflow Cover 4 x Circular Leak-Proof Plug Note: 1. Due to lighting and screen differences, the actual color may vary slightly from the images. 2. Please allow 0.5–2 cm variation due to manual measurement.