Features
 > Insures that your debris lands where you want it to
 > Light weight high density polyethylene is weather proof and extremely
     durable for years of trouble free use.
 > Quick set up.Just hook it together and pull it to the roof
 > Fits all trash chute hoppers

Specifications
    4' x 8' sheets
    3' 9 " usable length with a 30" diameter
    Shipped 4 per carton
    Shipping weight per carton: 125 lbs