Come and see our amazing products. Double-walled glass coffee cups are made of high-quality borosilicate glass, smooth to touch and sturdy, non-toxic and environmentally friendly, heat-resistant, durable, can be used for a long time The sleek, sophisticated double layered glass insulates your drink keeping it hot or cold longer while the outside stays comfortable to your touch allowing you to embrace your drink while you sip at your drinks ideal temperature. Easy to clean and durable, these shatterproof, scratch-resistant mugs are durable and safe for microwave and dishwasher, borosilicate glass is the material you want when dealing with any glassware for best results. Pls confirm with us about the packing info, stock color and exact production time before placing your order