Design: sporty watch strap in lightweight and breathable design for all 49 mm/45 mm/44 mm/42 mm versions of the Apple Watch. Waterproof: Both the bracelet and the clasp are waterproof. Stable: holds a 5-20 kg (corresponds to approx. 49-196 Newton) strong lateral force when the strap is attached to the Apple Watch. Dimensions: 95 mm length on the side of the buckle and 135 mm length on the adjustable side. For wrists with a circumference of 150 to 200 mm. Weight: 31 g Compatibility: compatible with all Apple Watch models in sizes 42 mm, 44 mm, 45 mm or 49 mm.