Stormforce covers are made up of four layers, composed of a strong, hard wearing outer layer, a padded layer, a one way water resistant membrane, and a soft, protective inner layer. They are ideally suited for long term outdoor storage, and are also equally suitable for indoor protection. They will allow damp / moisture to escape, protect from rain, dust, tree sap, UV paint fade, bird droppings and unwanted attention. PRODUCT FEATURES Product Features Unique breathable 4 layer fabric to allow moisture & damp to escape. The seams and hems are all double stitched for strength & long life. Fitted with an under body centre strap between the wheels to prevent wind 'ballooning'. Reinforced metal eyelets in front & rear wheel area allowing locking cables/chains & devices to secure both bike & cover. Elasticated front and rear hems for a snug fit. 100% Ultraviolet resistant fabric to prevent paint fade. Special waterproof / breathable membrane layer Storage bag included. Stormforce covers are our flagship product & are suitable for both indoor and outdoor use. They feature a 4 layer construction that includes a strong, robust outer layer, padded second layer & a soft inner lining. The third layer is a special waterproof/breathable membrane that allows damp & moisture to escape from the covered bike, but stops rain & dew from penetrating the cover. All 4 layers are bonded together & the resulting fabric has a sturdy, padded feel. These covers protect against hot sunshine, rain, hail, snow, frost, tree sap, birds, pets, dirt, dust, scuffs & scratches and are100% ultraviolet resistant. Stormforce covers come with a 2 YEAR WARRANTY