After-sale Guarantee: As long as ABBSH mugs are damaged or defective, ABBSH will compensate according to the price of each glass cups. Please contact us with the photo. Package Including: 12 x 16OZ Sublimation glass tumblers, 12 x Boxes,12 x Bamboo Lids, 12 x Straws, 12 x Brushes. Upgrate Coating: AAA-level coating compared to other sublimation glass can be thicker. protection the pattern will not fade in the dishwasher, very safe to use in the refrigerator and microwave. Upgrate Coating: AAA-level coating compared to other sublimation glass can be thicker. protection the pattern will not fade in the dishwasher, very safe to use in the refrigerator and microwave. High-quality Material: Drinking glasses and straws are made from thick high quality Borosilicate Glass. They are highly transparent and sturdy, Lead Free and BPA Free, can withstand the sudden changes in the temperature difference between -68to 212°F Customize your own Glass Cups, as the current very popular glass drink cups, its shape has become ordinary, according to your own ideas to print patterns and text on your Dringking Glasses, it will become unique. As a summer gift to your family, friends, colleagues and children, is also a very good gift. Sublimation Glass Tumblers is very suitable for family dinners, banquets, cafes, bars and other places, can give your party to bring a more unique impression, but also a good means of publicity, please choose it!!