This is our own design . Tumblers of size 500-600 ml (20oz). Tumblers are high-quality stainless steel thermo cups, intended for cold and hot drinks, the print is waterproof. Hot and cold drinks last for several hours. Tumblers are supplied with a stainless steel straw, a plastic straw and a brush for cleaning straws. We will print any image you wish, whether it is children's patterns, adult patterns or anything you like. Do not hesitate to contact us.