This watch strap is made of waterproof synthetic material with hydrophobized leather lining & comes with stainless steel brushed silver-coloured buckle, & two spring bars. It can be fitted either on watches with fixed bars or with standard lugs. Model: Synthetic Watch Strap Attribute: Military, 3 rings, For Fixed Lugs, Thin (thickness), Flat, Smooth with Pattern Length:Regular Length Material: Top - Synthetic High-Tech, Bottom - Hydrophobized Leather Closing Type: Buckle, brushed stainless steel, fixed by spring bar (removable) Spring Bars: Included (Buyers should compare the supplied spring bars with the spring bars originally installed on the watch) MEASUREMENTS FOR 18mm WIDTH - Strap Length (excl. the buckle): 280mm Strap Width: 18mm Max Combined Length (to the first hole): 260mm Min Combined Length (to the last hole): 170mm Thickness: 1.5mm Number of Rings: 3 Number of Holes: 12 MEASUREMENTS FOR 20mm WIDTH - Strap Length (excl. the buckle): 280mm Strap Width: 20mm Max Combined Length (to the first hole): 260mm Min Combined Length (to the last hole): 170mm Thickness: 1.5mm Number of Rings: 3 Number of Holes: 12 MEASUREMENTS FOR 22mm WIDTH - Strap Length (excl. the buckle): 280mm Strap Width: 22mm Max Combined Length (to the first hole): 260mm Min Combined Length (to the last hole): 170mm Thickness: 1.5mm Number of Rings: 3 Number of Holes: 12 MEASUREMENTS FOR 24mm WIDTH - Strap Length (excl. the buckle): 280mm Strap Width: 24mm Max Combined Length (to the first hole): 260mm Min Combined Length (to the last hole): 170mm Thickness: 1.5mm Number of Rings: 3 Number of Holes: 12 18mm 20mm 22mm 24mm Synthetic Waterproof Nato Watch Strap Band For Fixed Or Standard Lugs Ss. Buckle Spring Bars Black Brown Blue Green