Suction cup for secure attachment to smooth surfaces such as glass or tiles, without leaving marks. Foldable and space saving: 90 degree foldable design and a compact structure for easy storage when not in use. Durable construction: Made of space aluminum; sturdy, not easy to break or deform, and designed for longterm use. Compact size: 27.2 cm x 11.2 cm x 13.8 cm (10.71 in x 4.41 in x 5.43 in). The underwear drying rack is ideal for balconies, bathrooms, or small living spaces. Practical drying solution: Suitable for socks, underwear, and other small garments; keeps clothing airdried efficiently in limited spaces. Use scenarios: On a balcony with smooth tiles or glass, attach the rack with the suction cup to dry socks or small garments without cluttering the space. In a bathroom, use it to airdry underwear and other lightweight items after washing, helping to reduce laundry time. In compact living spaces such as dorm rooms or small apartments, fold it away when not in use and store it in a cabinet or drawer.