Product Information: Replacement watch straps are compatible with Radley London Series 1 100% Brand New and High Quality, easy to clean Easy and quick to install by hand - no need for tools A choice of different colours to personalize your watch and make your daily life brighter  Made of environmental Silicon material, non-toxic and odourless.  Multiple alternative holes for adjusting length.  Packaging: 1 x replacement strap only (Tracker is not included )