Usage Tips:【Food Grade Stainless Steel】The water cup is made of food grade stainless steel. The thick and high quality materials are carefully polished by professional molds and machines. The mug's interior and exterior are smooth, scratch-resistant, rust-proof, barb-free, odorless, healthy and safe, and BPA-free. Can be used with confidence. 【 Sufficient Quantity】The set contains 6 identical small stainless steel cups. The sufficient quantity is sufficient for general household use. Stainless steel mugs are a good substitute for plastic mugs and glass mugs. They are robust and drop-resistant and therefore very suitable for children. The mouth of the cup is wide and smooth. You don't have to worry about scratching your child's hand. 【Perfect Size and Portability】 230ml per cup, the diameter of the mouth is 7cm, the diameter of the bottom is 5.5cm, and the height is about 8.5cm. The right size can be put in most handbags, also very suitable for camping or taking with you without taking up space. 【Dishwasher Safe & Stackable】 These mugs can be stacked and stored, work well in small spaces and are easy to store when not in use, giving you more space. And they are easy to clean and dishwasher safe. You can quickly rinse them with water or put the mug in the dishwasher, saving time. 【SUITABLE FOR ALL OCCASIONS】 Camping, backpacking, travelling, hiking, at the beach, picnics, parties and other outdoor or indoor occasions. They are a good choice for outdoor entertainment. They also take up less space in a cupboard or picnic basket compared to traditional wine glasses, very suitable for bar use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.