All our covers are: made of G.E. Lexan

Come with a lifetime guarantee

Custom made on site to ensure a perfect fit

Supports up to 500lbs

Covers allow in over 98% of light

Small size is 40x18 or smaller

It has a 1 ½ x1 1/2 backrail as well as an extra brace for additional support

Large size is 48x26 or smaller

It has a 1 ½ x 1 ½ backrail as well as 2 extra braces for support
We use either 5 clips or 5 locks per cover

It has a 1 ½ x1 ½ backrail that is ¼ thick. At least 3 braces for additional support. Also it will have at least 6 clips or 6 locks per cover