550ml Honya Glass Drink Bottle with sleeve is made of single-walled borosilicate glass which is suitable for both cold and hot. Transparent and pure with comfortable touch. Free of plumbum and BPA which is ecofriendly and a healthy drinking water style. With trendy screw on bamboo lid in either standard or rope handle design. Colourful silicone protective sleeves can meet boys and girls fashion style. Soft silicone material is isolated heat and anti-skid with comfortable touch and protects the glass bottle body. A simple and stylish design to best promote your corporate logo and/or brand.