This is the solution for waterproofing your existing small size back-pack or pannier. The Sil Pack cover is constructed from Durable, Ultra-Light Waterproof Ripstop Nylon, complete with Urethane & Silicone Coating. It packs away in its own Sil Pouch, which is permanently attached so you'll never have to search for it. Colour: Green 

Small : 60cm x 40cm, Capacity: 20L - 40L Weight: 85 g

 

 

If you want high visibility, this is the solution for waterproofing your existing small size back-pack or pannier. The TORTUGA cover is constructed from ultra light TPU coated ripstop nylon, with heat taped seams for waterproofness. With an elasticated drawsting, this will fit virtually any backpack, bag, briefcase or pannier up to 45 litres. It has a reflective logo and reflective strips on both sides for visibility & safety in low light conditions. Colour: orange.

 

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This is the solution for waterproofing your existing medium sized back-pack or pannier. The Sil Pack cover is constructed from Durable, Ultra-Light Waterproof Ripstop Nylon, complete with Urethane & Silicone Coating. It packs away in its own Sil Pouch, which is permanently attached so you'll never have to search for it. Colour: Green 

Medium : 80cm x 60cm , Capacity: 40L - 60L Weight: 110g

 

This is the solution for waterproofing your existing large sized back-pack or pannier. The Sil Pack cover is constructed from Durable, Ultra-Light Waterproof Ripstop Nylon, complete with Urethane & Silicone Coating. It packs away in its own Sil Pouch, which is permanently attached so you'll never have to search for it. Colour: Green 

Large :115cm x 70cm , Capacity: 60L - 80L Weight: 130g

 

click here for a larger image & more features