【Compatible Models】: Soft Silicone Adjustable Sports Band Compatible for i@Touch Sport 4 / Sport 3 / AIR 3 40MM Smartwatch *SINGLE-LAYER PATTERN: Lamshaw Scrunchie elastic replacement strap is USES the ultra supple Nylon material and the first-level cotton manufacture becomes. Above all, we only use Single-Layer Pattern. Because the Double-Layer Pattern Stretch Bands will cracks more easily *SKIN-FRIENDLY MATERIAL: Single-layer elastic band material which is skin-friendly, durable breathable and lightweight design. It's a stretch bracelet wrist bands and fits snugly without constriction. Durable elastic band makes you feel comfortable to wear *Multi-COLOURED BANDS: Multiple patterns for choice. The colorful band is usually perfect choice for any occasion *EASY CHANGE STRAPS: The sport band comes with watch lugs on both ends, which locks onto your Smartwatch precisely and securely. Easy for installing directly and removing with one button