Waterproof Materials: Our shower caps are made of soft polyester with a waterproof PEVA lining, making them reusable and effective at keeping hair dry. Double-Layer Design: This women's shower bonnet features two layers. The inner layer is waterproof PEVA to keep hair dry during bathing, while the outer layer is made of polyester with a stylish design for a more attractive look. Multiple Uses: This shower cap helps keep hair dry during bathing and protects hair from dust and oily fumes while cleaning or cooking. It can also be used when applying makeup, washing your face, or during spa treatments. Adjustable Size: With a flat diameter of approximately 10.6 inches (27 cm), this shower cap includes an elastic band to ensure a secure fit and prevent slipping. Suitable for adults, kids, and teens. Lightweight and foldable, it is convenient for travel. Material: Polyester outer layer, PEVA lining Color: As shown Package Contents: 4 x Shower Cap Note: Light reflection and differences in display screens may cause slight variations in color. Measurement may vary by up to +/- 1-3 cm.