Product Description: Pelican Case 1170 Custom Foam Inserts for Smith & Wesson M&P 9MM 45 MM With Magazines (Foam Only) Includes: 1 Piece Convoluted Lid Foam 1 Piece Solid Pad - With Custom Cutout 1 Piece .50" Base pad Overview: Polyurethane foam is the most common type of foam used in cases. The foam is soft enough to provide flexibility for items, but also dense enough to provide cushion for even the heaviest of items. Technical: Polyurethane is open cell which means air and water can flow freely throughout the foam. The material weighs about 1.2 - 1.3 lbs per cubic foot. PRODUCT FEATURES: REPLACEMENT FOAM INSERTS BY COBRA FOAM - manufactured locally, specifically for protective cases. TOP QUALITY POLYURETHANE FOAM - The foam is soft enough to provide flexibility for items, but also dense enough to provide cushion for even the heaviest of items. PELICAN CASE 1170 - All inserts are cut to factory specs by computerized CNC (Computer Numerical Control) machines to insure a proper and snug fit. ROUNDED CORNERS FOR A SNUG FIT.