Great Shock Absorption: Crafted with high-density Sponge , these Tool box Insert pads are designed to provide exceptional shock absorption and cushioning, ensuring your items remain secure during transit or storage Versatile Material: Made from premium sponge material, these foam pads are not only sturdy but also flexible enough to be easily torn by hand for custom fitting in various applications Ideal Dimensions: Each sponge cushion measures 500*500mm in length*width,and the thickness is available in four sizes, 20mm,30mm,40mm,50mm, offering ample coverage and protection for a wide range of items. Ideal for use as tool box liners or protective packaging inserts Comprehensive Packaging: This set includes 2 pieces of black Sponge Blocks, providing you with double the protection and versatility for your packaging or storage needs Multi-Purpose Use: Whether you're looking to protect delicate tools in a tool box or need reliable cushioning for shipping fragile items, these foam pads serve as an ideal choice for both personal and professional use Specification: Material:sponge 4 Thicknesses Available: 20mm or 30mm or 40mm or 50mm Size Chart: LengthxWidthxThickness 20mm: 50cmx50cmx2cm/19.69inchx19.69inchx0.79inch or 30mm: 50cmx50cmx3cm/19.69inchx19.69inchx1.18inch (optional) or 40mm: 50cmx50cmx4cm/19.69inchx19.69inchx1.57inch (optional) or 50mm: 50cmx50cmx5cm/19.69inchx19.69inchx1.97inch (optional) Package Includes: 2 piecesTool box Sponge Insert Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.