- Original 3 Piece Pelican 1520 replacement foam set.(middle foam is pluck). - Contains, lid foam, middle pluck, and bottom pad. - Dimensions of middle pluck - 18.06" x 12.89" x 4.00" - Foam is pick n pluck foam Pelican 1520 3 piece pluck foam set. Convoluted lid foam, middle pluck foam, solid bottom pad.