High-quality materials: Made of food-grade polypropylene (PP) material, durable double-wall plastic, reusable and easy to clean Eco-friendly, non-toxic, BPA-free fabric softener Transparent cup: More durable, you can clearly see the inside of the cup Pour cold drinks and add different colored ice cubes in the cup to make your juice look tempting Easy to clean and carry: All cups with lids and straws are reusable The transparent cup combines the lid and straw together, tightly sealing the lid and preventing leakage from the edge Perfect for hot summer days Comfortable to hold: Double-layer insulation keeps drinks cool, fits most regular-sized cup holders, suitable for adults and children This cup is also great for children's birthdays Wide range of applications: Whether at home, work or on vacation, our double-layer mug is a good choice Suitable for all occasions, such as picnics, parties, travel and as gifts