Fangrui Product Details [glass Tube Tea Infuser] Made Of Borosilicate Glass, And Lead Free. It Guides You To Embrace The Magic Of Tea Undisturbed By Metal. [ Tea Strainer For Loose Tea] Our Glass Tea Strainer Allows Loose Leaf Tea Such As Black Tea, Oolong Tea, Green Tea Or Tea To Fully Expand, Resulting In Tastier And More Aromatic Tea. [ Height For Cups] The Loose Tea Diffuser Easily Adapts To Different Cups (mugs, Teacups, Glasses) Sizes, And Can Be Properly Placed Inside The Cup And Submerged In Water. [reduce Environmental Impact] Compared With Tea Bags, The Tea Infuser Is More Environmentally Friendly. By Opting For Loose Teas And Reusable Infusers, Its A Sustainable Choice That Lives Up To Eco-conscious Values. [easy-to-use Design] Only 4 Steps Away From Fragrant Hot Tea. Pull Out The Cork, Add Loose Leaf Tea, Close The Lid And Pour Boiling Water. Plus, Our Tea Infuser Is Easy To Clean, Just Pour Out The Tea Leaves And Rinse Under Water, Providing A Cool And Hassle-free Experience For Tea Lovers. Colour:tr