Portable: The 370ml drinking glass water bottle lid comes with a strap, which ensures you can comfortably carry your glass bottle out. Leak-Proof: The cup is made of high-quality PP with a food-graded silicon seal that seals perfectly to the glass bottle to avoid any leaks. Removable tea infuser: The Tea filter of this tea bottle is removable. You can use it as a tea bottle/fruit infuser bottle; or you can just remove the filter and use it as a basic bottle for decaf tea, juice, or all kinds of beverages. Suitable: Not only great to carry around, but these elegant bottles are also designed beautifully to serve drinks at a party buffet, kitchen counter, or dining room table at any event or setting. Material: Lid: ABS, Body: High borosilicate glass, Tea Strainer: PP, Lifting handle+Seal Circle: Silicone Note: Do not use in a microwave oven or dishwasher. Suitable temperature: -20degrees-80degrees.