US Energy Products 4 PACK Wholesale Lot: Reflective Foam Core Insulation Kit: 4 Rolls (Size 48"x25') Includes 25' Foil Tape per roll, Knife & Squeegee. 4 PACK Wholesale Lot: Reflective Foam Core Insulation Kit: 4 Rolls (Size 48"x25') Includes 25' Foil Tape per roll, Knife & Squeegee. 5/16 Nominal thickness Double Sdied Durable Reflective Foam Core Insulation R8 Made in USA