Lovepac and our main foam supplier, Sealed-Air, are committed to increase sustainability by enhancing the performance of our PE foam products with decreased use of natural resources in manufacturing by increasing recycled content. Our PE foams are classified as #4 low-density PE (LDPE) material and can be recycled in LDPE recycling systems.
Source: http://www.sealedairprotects.com/NA/EN/products/foam_packaging/fabrication_foams.aspx