Fits 20mm Watch Models: This 215(L) x 20(W)mm smart band for ID115Plus HR fitness tracker. You can personalize your watchband with this colorful watchband, adding color to your appearance and daily style with its concise style. 5 color watchbands, choose what you want: there are 5 colors of flexible bracelets: black, red, blue, green, purple. Choose a color that suits both women and men, perfect for outdoor fitness, sports, any type of workout or everyday use. Thoughtful design: The replacement adjustable smart watch straps adopt porous design, which can be easily adjusted to the right size. You don't have to worry about the wrong size, giving you a comfortable wearing experience, and you can easily change the accessory straps. Waterproof and durable: The watch straps are made of PC + High quality TPE, soft, comfortable and waterproof. Comes with a secure metal buckle on the wristband to tie your wristband more securely, preventing the bands from separating and falling off. Easy Installation Replacement: Sport Wristband for ID115Plus HR Smart requires no tool, simple to install and remove. Just remove the main body part and pull out the replacement strap. You can quickly install the watch strap in seconds.