All colours apart from Black/Grey (JB) are made of heavy duty ballistic nylon material around 1.5mm. The Black/Grey (JB) due to its colour combination is made of thinner (around 1.0 - 1.2mm) standard nylon material. Model: Nylon TP Attribute: Military, 2 Rings, Thin (thickness), Flat, Smooth, Waterproof Length:Regular Length Material: Nylon Closing Type: Buckle, Brushed Stainless Steel, Sewn-in (irremovable) Spring Bars: Included (Buyers should compare the supplied spring bars with the spring bars originally installed on the watch) MEASUREMENTS FOR 18mm WIDTH - Short Piece Length (excl. the buckle): 85mm Short Piece Width (watch end): 18mm Buckle Size: 18mm Long Piece Length: 130mm Long Piece Width (watch end): 18mm Max Combined Length (to the first hole): 195mm Min Combined Length (to the last hole): 125mm Thickness: 1.5mm MEASUREMENTS FOR 20mm WIDTH - Short Piece Length (excl. the buckle): 85mm Short Piece Width (watch end): 20mm Buckle Size: 20mm Long Piece Length: 130mm Long Piece Width (watch end): 20mm Max Combined Length (to the first hole): 195mm Min Combined Length (to the last hole): 125mm Thickness: 1.5mm MEASUREMENTS FOR 22mm WIDTH - Short Piece Length (excl. the buckle): 85mm Short Piece Width (watch end): 22mm Buckle Size: 22mm Long Piece Length: 130mm Long Piece Width (watch end): 22mm Max Combined Length (to the first hole): 195mm Min Combined Length (to the last hole): 125mm Thickness: 1.5mm MEASUREMENTS FOR 24mm WIDTH - Short Piece Length (excl. the buckle): 85mm Short Piece Width (watch end): 24mm Buckle Size: 24mm Long Piece Length: 130mm Long Piece Width (watch end): 24mm Max Combined Length (to the first hole): 195mm Min Combined Length (to the last hole): 125mm Thickness: 1.5mm MEASUREMENTS FOR 26mm WIDTH - Short Piece Length (excl. the buckle): 85mm Short Piece Width (watch end): 26mm Buckle Size: 26mm Long Piece Length: 130mm Long Piece Width (watch end): 26mm Max Combined Length (to the first hole): 195mm Min Combined Length (to the last hole): 125mm Thickness: 1.5mm 18mm 20mm 22mm 24mm 26mm Two-Piece Nylon Military Watch Strap Band Divers Heavy Duty Brushed Hardware Black Grey Green Orange