Description: Features: brand new and high quality. Compatible for Spartan Trainer Wrist for HR Watch Bands are adjustable and made from premium silicone for comfort in even the most extreme conditions. Simply remove your current watch band and screw on the new colored band. Perfect to replace your Spartan Trainer Wrist for HR watch band. Different colors personalize your wristband to match your daily style. Light weight, perfect fit when you're doing sports. Specifications: Item Type: Replacement Wristwatch Band Material: Silicone+Metal Color: Black/Blue/Green/Red/White (Optional) Size: (Approx.) Band Wide: 2.2cm Band Length: 11cm; 8cm for: for Spartan Trainer Wrist for HR Watch Quantity: 1 Set (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 4.No retail package Package includes: 1 X Replacement Watch Band (Band ONLY, watch is not included) 1 X Tools 4X Pins (No retail package)