Divepro Speargun Rubber Band 16MM Diameter, LENGTH 10M, Black Quality rubber, utilising high strain amber in the core for maximum energy retention and durability. Perfect for producing your own speargun rubber parts. Sold by the meter. Large diameter high strain core rubber Black rubber coated 16mm diameter rubber TIP: Bulk Rubber Storage To prolong the life of your Speargun rubbers avoid extended exposure to UV light. There is no need to remove the rubbers from your gun just keep your gun stored in a cool, dry, dark place to obtain maximum rubber life. If you wish to store excess supplies of rubber for extended periods, seal the rubber in an airtight container or ziplock bag and keep the rubber in the freezer. Spray your rubbers with silicon spray regularly and after use.