100% and original replacement strap for Polar A360 A370. Features: 1. Material quality: Safe and environmentally friendly high-quality silicone material. 2. Process: Button is made of steel, lock is made of zinc alloy die-casting, surface electroplated and sprayed. All materials are non-irritating to skin, eco-friendly, safe, and hypoallergenic. 3. Design: Ergonomic wristband design, durable, moderately soft, and comfortable to wear. 4. Quality: Abrasion-resistant, high temperature resistant, non-deformable, non-toxic, odorless, soft, and crack-resistant. 5. Usage: Suitable for parties, festivals, and daily use, ideal for all ages. Note: Watch band only, other accessories shown in the picture are not included. Specifications: Item Type: Watch Band Material: Silicone Size: Length 90 + 130mm / 3.54 + 5.12in Color: As shown in the figure, multiple colors available Compatible Models: For Polar A360 A370 Quantity: 1 Piece Note: No retail packaging. Measurement tolerance: 0-1cm error due to manual measurement. Please note that colors may vary slightly due to monitor display differences. Package Includes: 1 x Watch Band