Officially licensed wristband made of high-quality silicone, suitable for all Apple Watch models and some Android Watches. Size and fit: - Band fits wrist range of 5.5"- 8.2" (13-22 cm - this accommodates the majority of wrist sizes) - Pin-and-tuck stainless steel buckle - 2 sets of connector lugs included (one set for large & one for small Apple Watch sizes) - Includes a 22 mm standard watch pin with easy-switch mechanism for fast removal - QR-code included to access to exclusive digital content and over 20 themed Watch Faces - Apple Watch not included Materials and use: - Sweat and UV resistant - High-quality grade silicone - Tear-resistant Moby Fox straps are compatible with all current Apple Watch models (Series 1, 2, 3, 4, 5, 6, 7, 8, SE & Ultra). Works with both large and small Apple Watches (38/40 mm and 42/44 mm) right out-of-the-box, and any Android-based smartwatch with a 22 mm pin. Each strap comes with access to digital content for your Apple Watch, taking your wearable experience to a whole new level. Simply download the MobyFace App (currently exclusive for iOS), then from the MobyFace App scan the QR-code included in the box. You'll find the QR-code in the warranty leaflet, located under the foam packing that your strap came in, pull up the black ribbon inside the box to easily find it! The strap is designed for intensive use and intended to be worn 24/7! It is odorless, sweat/UV resistant and weather-resistant. It's pretty tough stuff, and can be cleaned.