Feature 1Made of premium material, safe, eco-friendly, sturdy and durable 2Excellent elasticity for comfortable usage experience 3Loop and hook design for proper fit 4Avoid water flowing into ear 5Suitable for children, teenage, adultSpecification Description: This item is made of quality material, skin friendly, soft and durable. It can protect your ear from harming by the water. The loop and hook is strong and can provide proper fit to most people. Features: 1. Made of premium material, safe, eco-friendly, sturdy and durable. 2. Excellent elasticity for comfortable usage experience. 3. Loop and hook design for proper fit. 4. Avoid water flowing into ear. 5. Suitable for children, teenage, adult. Specification: Material: Neoprene Color Options: Blue; Purple; Pink Reference: SizeLength(cm/inch)Width(cm/inch)Weight(g)M(Suitable for children oradults with small heads)51/20.078/3.1420L(Suitable for adultmen and women)60/23.628.5/3.3423Maybe1-2cmerrorduetomanualmeasurement Package Included: 1 * Head Band Only .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }