Grangers Fabsil Universal Protector 600ml Spray Can Whether you need to re-proof your tent, folding camper, trailer tent, clothing or footwear the Fabsil Universal Protector Waterproofing Treatment Spray 600ml will more than do the job. Don't let getting wet take the fun out of enjoying the outdoors, replicate the original water-repellent finish found on all kinds of outdoor gear and equipment with this high-performance silicone based waterproofing treatment " keeping you dry in even the wettest weather.