High quality silicone rubber
Waterproof (Perfect for outdoor environment)
Strap thickness: 3mm
Stainless steel butterfly clasp

18mm: Buckle Width 16mm. length: 80mm and 120mm
19mm: Buckle Width 16mm. length: 80mm and 120mm
20mm: Buckle Width 18mm. length: 80mm and 120mm
21mm: Buckle Width 20mm. length: 80mm and 120mm
22mm: Buckle Width 20mm. length: 80mm and 120mm

Product showcase video for the Silicone Rubber Strap w/ Butterfly Clasp can be found 

*Free  with purchase of any 3 or more watch straps from our website. 
(Free tool will not be reflected during checkout but will be added into your package during fulfillment)