The Berg Grand Champion Trampoline Cover Extra 17FT x 11FT protects your Berg Grand Champion Trampoline against all weather conditions. The Grand Cover Extra is made from high-quality, weather-resistant PVC sailcloth. The cover can easily be attached to the trampoline’s protective edge, with 8 hooks for extra secure attachment. The special drainage holes in the cover ensure that the jumping mat will not sag if there is heavy rainfall. This cover is for 17FT x 11FT OVAL trampoline. Also available for 11FT & 14FT round, available in green. Suitable for In-Ground & Above Ground Trampolines.