Solid Color TPU Smart Watch Replacement Strap for Huami Amazfit Youth Edition - Grey Soft TPU wrist band, resistant to wear and tear Ergonomically designed wristband, soft and comfortable to wear Multi-color for option, meeting different style need Rivet buckle closure for easy wearing or taking off Multiple holes design for easy adjustment of size An ideal strap replacement for your old, broken one Size: 130 +100 mm Tips: Manual measurement will have a certain error 1-2CM Compatible with: Huami Amazfit Youth Edition Package included: 1 x Solid Color TPU Smart Watch Replacement Strap Accessory only, device not included Koko: 125-175mm (ilman kelloa)