Healthy Material: The foldable travel mug is made of food-grade silicone, guaranteed stainless steel rim and plastic lid. Easy to clean, odorless, stain-free, durable, flexible and reusable. Collapsible mug can solve your drinking problem. You can also use collapsible silicone cups (such as coffee) to cook hot drinks and heat food because the material is resistant to high temperatures, so you don't have to worry about the cup's structure being damaged. Ultra-thin folding design upgraded foldable design, saving space, only 0.59 inches (about 0.59 cm) when folded, perfect for putting in your pocket, wallet, backpack, suitcase, does not take up space, perfect for outdoor hiking, camping, Travel and sports activities. Cleaning is also very convenient. Just open it with a little water and it's ready to clean. The smooth surface leaves no food residue. PERFECT PERFORMANCE Can be hung on bags with attached hand straps and portable hooks. Measurements inside the cup are easy to read. - Easier to hold and drink from the cup's stainless steel rim. The tight-fitting cover keeps dust and dirt out. Robust design ensures flexibility and rigidity. The sturdy safety base and stainless steel ring make the cup comfortable to hold and safe to carry. Very easy to carry capacity (250 ml). Foldable, small in size and light in weight, suitable for home and outdoor use. The folding design can adapt to almost any occasion, whether it is outdoor sports, indoor rest, concerts, sports fields, mountain climbing, camping, cycling, travel, football fields, etc. Easy Care The inner wall of the camping cup is designed to be smooth and not easy to stick. Simply wash under running water or in the dishwasher and air dry.