Its ergonomic design provides comfort and is waterproof

It's easily adjustable to fit wrist circumferences from 20

Customizable Fit: Features multiple holes for a precise and comfortable fit on wrists measuring 10-20cm (4-8 inches) in circumference

With a wrist circumference accommodating sizes from 130mm to 220mm

it features holes for fast heat-dissipation and is comfortable to wear

lcw26 21 062 Fitbit Ionic 1 Its ergonomic design provides comfortThe strap is made of high quality resin material that is both waterproof and rust proof. It features a stainless steel adapter and folding clasp, making it easy to disassemble and replace. This strap is a personalized replacement for your old, broken one and fits wrist circumferences of 5. 5 7. 87 inches (145 200mm). Product Description This stylish watch strap, crafted from high quality resin, is an ideal replacement for your old or broken Fitbit