Retractable Stainless Steel Portable Keychain Wine Glass

This stainless steel telescopic cup is made of high-quality 201 stainless steel, which is both durable and portable. The foldable design makes it easy to store, suitable for outdoor travel, camping, bars and other scenes. The cup body is retractable and adjustable, and it can be locked with one button to prevent leakage. It is easy to clean and rust-proof and odor-proof. The inner wall is polished, safe and non-toxic, and can hold hot and cold drinks.