FOLDABLE DESIGN, LIGHTWEIGHT CARRYING: The water cup is made of soft foldable material, can be rolled up for storage after use, does not take up space, easy to put into the bag, more convenient to carry outside. FOOD-GRADE MATERIAL, SAFE AND ODORLESS: Food-grade material, flexible and durable, safe for contact with drinking water, suitable for daily repeated use. BLUE AND GREEN COLOR MATCHING, FRESH AND NATURAL: A set contains blue and green two water cups, refreshing color, suitable for different style needs, also suitable for multiple people with the use. SEALED AND LEAK-PROOF, TRAVEL WITH PEACE OF MIND: The combination of screw cap and leak-proof valve design effectively prevents liquid leakage, suitable for use in backpacks or handbags. LIGHTWEIGHT AND SOFT, COMFORTABLE HAND FEELING: The water cup feels soft, comfortable to hold, not easy to slip, whether it is daily commuting or sports and fitness are very suitable.