Marine Board HDPE (High Density Polyethylene) Plastic Sheet 1/4" x 24" x 36” White lor Textured 4.4 (27) $5060 $13.93 delivery Apr 13 - 18 Marine Board HDPE (High Density Polyethylene) Plastic Sheet 1/2" x 24" x 36” White lor Textured 4.7 (19) $10359 $23.98 delivery Apr 13 - 18