- 3 Solid pieces of replacement foam for the Pelican 1720. - Each piece of foam is approx. 42" x 13.5" x 1.65". - Fits the Pelican 1720 size case, which is 42" long. Pelican 1720 3 piece foam set. 3 Solid pieces to fit the Pelican 1720. Approx. dimensions of the complete foam set are - 42.0 × 13.5 × 5.3". 3 equal sized pieces of foam. Each approx. 1.65" thick.