Premium material:Tea bottle is made of double wall borosilicate glass,it is safe for both boiling and ice water and BPA Free. Multipurpose tea infuser bottle: This tea infuser bottle can not only be used as a container for tea, but the filter is also suitable for various fruit drinks. Can also be used as a water bottle when the filter is removed Easy To Carry: You can take the Tea infuser bottle to anywhere and travel anytime. No matter where you go, it can be held by hand, perfect for travel. The double-glazed design also ensures that even if the quilt is filled with very hot water, it will not burn your hands Stainless steel filter: The tea mesh is finely distributed, the tea water is quickly separated, and the tea residue is filtered. The cup lid has strong sealing performance, the rotating pot lid, and the built-in silicone sealing ring can effectively prevent leakage Silicone Seal Ring Sealing strong, rotary pot cover, built-in silicone seal ring can leakproof effectively. Stainless Steel Lid The lid is made from food grade stainless steel, sealed and leak-proof, safe to use. 304 stainless steel precision filter Removable 304 stainless steel precision filter, effectively filter tea residue Thickened round cup mouth Finely polished by hand, round and does not hurt the mouth Double Thickened Bottem Double thickened cup bottom, heat insulation, stronger, more durable. Double-Glazed Design The double-glazed design also ensures that even if the quilt is filled with very hot water, it will not burn your hands