Silicone Sport Watch Band for POLAR M400 / M430(Black)

1. FLEXIBLE - It is a much more supple/soft/flexible/rubbery M400 / M430 bands, making your watch fit better.It prevents skin from irritation, soft, lightweight and durable, very comfortable to wear. 2. ADJUTABLE - Adjustable replacement strap band for Polar M400 / M430 Bands,have plenty of spots for size adjustment.A good replacement for your old and broken strap. 3. SIZE -Free size fits most wrists, have plenty of spots for size adjustment. 4. COLORFUL - Delighted varied color personalize your wristband to fits your mood and outfits in daily life with this brand new color choices.