DOUBLE LAYER DESIGN - Set of 4 stackable mugs. Insulated and anti-scald, the double-wall insulated design solves all the problems caused by single-wall mugs. You don't have to worry about hot or cold hands will solve all this perfectly This makes it look more unique. . HEALTHY, KO-FRIENDLY - Don't risk it with fragile glass, flimsy plastic or cheaper, inferior alternatives. These mugs are made of high quality food grade stainless steel. Top quality, blunt, rounder and even thicker than the original cups. Safe and non-toxic. It is an ideal replacement for fragile glass and unhealthy plastic cups. . SMALL AND PORTABLE - The capacity of the cup is 175ml/300ml. Two options, small and cute, indestructible, very suitable for children and toddlers. Don't worry about breaking. stackable and easy to store. It is suitable for travel, camping, picnics and other outdoor activities. . EASY TO CLEAN - Mirror/Matt two-cup body designs are available. The inside of the mug is electropolished and the outside is brushed stainless steel design to stay rust-free. It is very easy to clean and dishwasher safe. You will love them. Your friends and family will love them. And because they're also perfect for juice, smoothie, soft drinks or water, your kids will love them too . Gift