Square End Scooped Silicone Waterproof Watch Band Strap 

This strap has a great thickness of 
approx  5mm at watch end and 4mm at buckle end


Comes with free premium springbars

Length

125mm long piece
70mm short piece without buckle
80 mm short piece with buckle

20mm band has 20mm ends that taper to 18mm buckle
22mm band has 22mm ends that taper to 20mm buckle
24mm band has 24mm ends that taper to 22mm buckle
26mm band has 26mm ends that taper to 24mm buckle