- 1 Piece of OEM(Stock) Pelican 1720 "Middle" Foam - This foam will replace the middle, bottom, or top of your Pelican 1720. - Approx. dims of 1720 middle solid foam 42.00" x 13.50" x 1.60" 1 Piece of SOLID Pelican High-Density Polyurethane Foam Extremely strong & durable foam - Same foam as comes with your Pelican 1720 case. Each piece is approx. 42.00 x 13.50 x 1.60" thick(approx). This piece will fit in the top, middle, and bottom. The bottom piece will fit snug in the bottom of case. Perfect foam for designing custom inserts.