Auto Flip Lid: One-handed drinking with a button-activated opening mechanism. The lid locks securely to prevent accidental opening. Dust & Leak Proof: Features a small flip cap that keeps dust and debris out of the drinking spout. Double sealing design helps prevent leaks. Quick Thirst Quenching: Spout lid provides a convenient opening for fast and easy hydration. Compatibility: Designed to fit popular wide-mouth bottles including Hydro Flask, Contigo, Simple , Thermos, Iron Flask, Takeya, and Hydro Cell. Color: Black Material: PP + ABS Package Contents: 2 x Water Cup Lids Note: Other items shown are not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement may vary by up to 1–3 cm.