The PP material brim can be turned upward. When rinsing baby's hair, the water will flow back along the cap, more effectively prevent the water from flowing back to the baby's face, so that the baby bath more at ease. Functional Introduction Children's shampoo cap helps to protect the ears from water and shampoo foam when washing hair, and keeps the face dry. Helps prevent blistering disease, ear infections and the risk of dry drowning. Adjustable Size. Baby shower cap made of TPE elastic silicone, adjustable silicone safety buckle will not hurt baby's hair. Adjustable according to baby's head size, fits tightly on baby's head and does not leak. Suitable for head. 15-24 inches / 38-60 cm, recommended age: infants, toddlers, children and adults over 6 months, head size from 38 cm to 60 cm. Multipurpose 3 in 1 design shampoo shower cap for baby shampoo shade, sun shade, haircut, helpful for children's daily life. Crown design can be [reusable] This adjustable sun hat is durable, stretchable and long-lasting. Having a shampoo cap can accompany your child's growth.