Baked oil hats, hair dryer hats, hair dryer hatsMaterial: Flaxseed/Mustard Seed, Microfiber CottonSize: The inner diameter of the elastic ring is 12cm (with elasticity, suitable for most sizes of head circumference), the outer diameter of the hat ring is 25cmBlack weight: 747 grams Purple weight: 674 grams Leopard print: 540 gramsPacking: cloth bag packagingFree 10 disposable shower caps for each1. Function: This heating cap has flaxseed in each top. After heating for a period of time, it can effectively maintain the heat and promote the healthy growth of hair.2. Convenience: The cordless, lightweight design allows you to use it in daily housework or leisure time, and it can be portable and free to move.3. Comfort: Made of soft fiber cotton and nylon, comfortable and wear-resistant, gentle on the head and scalp, heat dissipation to the entire head