Pelican 1620 Replacement Foam1620 Replacement Foam Options: Middle Pluck Foam: This includes 4 Middle Pluck Pieces of foam for the 1620 case. Solid Middle Foam: This includes 4 Middle Solid Pieces of foam for the 1620 case. Solid foam does not have any perforations for pluck pieces. It is great for DIY ers looking for a blank piece of foam to cut out a custom fit. Top and Bottom Foam: This includes the Convoluted Lid Foam and the Solid Base foam for the 1620 Case 5 piece