Custom Cut Polyethylene Foam - Foam Ninja Polyethylene Foam Sheet Block Plank is a closed cell, high density foam (1.7 lb) Meets or exceed Military grade requirements. We offer polyethylene foam in Charcoal Black and White and in multiple thicknesses. You can get the 12 x 12 x (Your Choice of Inch Thick). At Foam Ninja we can custom cut polyethylene foam into any size you need. Our foam is fabricated via highly advanced CNC machines to ensure the most accurate dimensions possible. ✔️ - CNC Custom Cut - Foam is custom cut at a high quality precision. ✔️ - Custom Cut - Foam Ninja Custom Cuts / Fabricates in the USA. ✔️ - Military grade - Meets or Exceeds Military Grade Requirements. ✔️ - DIY - Our foam is used by many DIYers for all types of applications. ✔️ - High Shock Absorption - Closed Cell, High Density (1.7 lbs/ft3) ✔️ - Easy to Fabricate - Custom Foam Inserts,Shipping and Packaging. Our Polyethylene Foam can be used for the following applications and more. - Custom Foam Inserts for your case. - Custom Shipping of products due to the high absorption of the polyethylene. - Custom Packaging - Custom Presentation & More Foam Ninja Custom Cuts Foam If you need your foam custom cut into a smaller custom piece. Just let us know. We will cut your foam to the size requested. Our foam is cut via CNC to meet the measurements provided in this listing. There is a tolerance in the foam thickness of +- 1/8 of an inch. This is normal for foam. If your project requires exact thickness measurements please consider purchasing a small quantity to test for your project requirements.