• Material: made of food-grade silicone, smooth edges, stable performance, soft and durable. • Design: easy-to-open straw opening, you can drink directly or insert a straw. • Advantage: protects the lid, easy to clean, leaves no stains. • Practical: sealing that keeps drinks fresh, leak-proof. • Application: suitable for soft drinks, beer, energy drinks, and more. • Suitable for outdoor activities such as picnics, parties, beach, barbecue, camping, travel, sports events, or fishing. • Soft and lightweight silicone bottle stopper, elegant appearance, and bright color. • Improved silicone lid size: 6.3 x 2.4 cm. • Weight of an improved silicone lid: 20 g. • Silicone rubber bottle cap size: 3.1 x 1 cm. • Weight of a silicone rubber bottle stopper: 2.5 g. • The package includes 6 high-quality silicone lids and 12 silicone bottle stoppers.