Fashionable and cute design: made of durable material and printed with fashionable patterns. Color and pattern are fixed with an advanced color fixing process, so they won't fade easily. The vibrant color and cute pattern help you look chic and cute while using it. Upgraded 100% waterproof double layer: outer polyester layer coated with waterproof TPU to protect against humidity. Keeps water vapor and water from entering the cap, helping your hair stay dry in the shower or bath. Adjustable large size fits 99% of heads and hair: adjustable elastic slide buckle and roomy design, up to 14.5 inches head diameter and a head circumference of 20 30 inches. Suitable for adults and kids, long hair, curly hair and short hair. Breathable and reusable hair cap: outer waterproof fabric with a soft, smooth satin inner lining that glides over the hair to reduce friction. Protects hair from dryness, reduces frizz, tangles and thinning. Suitable for women with curly or frizzy hair, braids, wigs, dreadlocks, day or night, and for long thick hair. Practical use scenarios: Daily shower or bath: keeps hair dry and tidy while washing the body, shaving, or applying facial care. Hair treatments and spa days: protects hair during masks, coloring, or conditioning treatments without soaking the hair. Travel, gym, or bedtime: convenient for keeping hair protected and reducing frizz when on the go or winding down for the night.