Najo Rediboard backboard has no front, top or bottom.  Simply place the board on the ground and it's ready.  Spinboard has rectangular design.  Floats 275 lbs. Weighs 16 lbs.  Holds 600 lbs.  Measures 16"W x 72"L x 2 1/4" thick.  Without pins.  Custom lettering and logos available.  Backboards.
100% x-ray translucent
One piece, high density polyehtylene plastic
Impervious to all body fluids
No rods, rails or runners
Lifetime guarantee under normal usage