This insert is made of polyurethane foam to fit the SKB Case 3i-2015-10 Includes: 1 Piece Convoluted Lid Foam 1 Piece approximately 7.25" Thick with drone cutout. 1 Piece Polyurethane .50" thick base pad. Cutouts: #1 & #3 - Misc. #2 - Controller. #4 & #6 - 3 Batteries. #7 - Cables and Accessories. #8 - iPad up to 9.4" Wide. #9 - 2 x SD Cards Also available for other cases. We can also custom make you an insert for your one off case. If you would like to get more information, please email us with your info at Contact Us.