NIKWAX CONCENTRATED TENT & GEAR SOLARPROOF EQUIPMENT WATERPROOFING (150ML) by Nikwax Adds / renews water-repellency of tents and weatherproof fabrics. One application doubles the effective life of fabrics exposed to sunlight. Reduces colour fade. Water-repellency doesn't break down in sunlight. Speeds up drying time of a damp tent so it can be packed away quickly.