Silicone Smart Watch Band for Polar M400 / M430, Adjustable Sports Wrist Strap with Installation Tools - Black

• Eco-friendly silicone material, resistant to wear and tear
• Ergonomically designed wristband, soft and comfortable to wear
• Multi-color for option, meeting different style need
• Classic metal pin buckle for easy wearing/taking off
• Multiple holes design for easy adjustment of size
• An ideal strap replacement for your old, broken one

Specifications:

• Material: Silicone

• Wrist circumference: 5.5 - 7.8 inch

• Length: 99.9 + 145.5mm

• Width: 21.2mm

Compatible with:

• Polar M400 / M430