Compatible with Stanley classic models thermoss, also compatible with Stanley Classic Vacuum Insulated Wide Mouth Bottle (1.1 QT, 2 QT). Used for water, mate drink, coffee, tea. With silicone rings for sealing. Sturdy and safe to use, with no peculiar smell. Anti-Leak ThermoSs Lid : The leak-resistant lid is designed for Stanley stainless steel thermoss. Put it in your backpack. Twist-and-pour stopper allows you to pour beverages without removing the stopper completely. Use at Campsite, job site, RV, or outdoors. Easy to Clean : Vacuum Cup Cover. Reusable. Easy to clean and replace. The thermal cup vacuum bottle cover lid plug is smooth and seamless. Wash with water. Do not wash in a dishwasher. Do not use in a microwave. Colour: As Shown Material: plastic Package Contents: 1 * bottle plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.