Replacement Silicon Clip Case Cover Holder Pouch for Fitbit Zip Activity Tracker Description? 1. This is a silicon clip case for your Fitbit Zip Smart Wristband. 2. It's made of quality silicone, so it's light, easy to install and portable. 3. The clip can clamp your smart wristband for Fitbit Zip closely. 4. It can prevent your flex tracker monitor for Fitbit Zip from missing. 5. It's more convenient for you to do sports like running, swimming, playing tennis and basketball, having breaks and etc.. 6. Just attach it to your clothes, shoes or anywhere as you like. Product Parameters:1. Material: silicone 2. Size (L * W): about 50 * 30 mm / 1.97* 1.18in3. Weight: about 10g 4. Compatible Models: For Fitbit Zip Activity Tracker 5. Color: Black / Blue / Light Blue / Yellow / Purple / Red / Pink Note: Please allow slight errors caused by manual measurement and the color aberration in different monitors. Package List: 1 x Silicone Clip Case for Fitbit Zip Tracker (No Tracker Included)