Closed-cell Polyethylene sheets for tool box use are available in 2 lb. Cross-linked PE (blue & black), and in 4  Cross-linked PE and 6 lb. PE (black, blue, red & yellow) in several thicknesses. Pressure sensitive adhesive, with a peel and stick backing, is applied to one side of the foam so sheets can be easily adhered to each other.

(The 6 lb. density meets Federal Spec AA-59135/59136. Class 1, Type IV, Grade A).
Unit of Measure
Items
Tool Box Foam Rolls

2 lb. XL Polyethylene with PSA, Black, 1/2"X 48" X 108"
Case Cost $997.92

blue

2 lb. XL Polyethylene with PSA, Blue, 1/2" X 48" X 108"
Case Cost $997.92

Tool Box Foam Rolls

4 lb. Cross-Linked Polyethylene with PSA, Black, 1" X 54" X 108"
Case Cost $2,108.85

blue

4 lb. Cross-Linked Polyethylene with PSA, Blue, 1" X 54" X 108"
Case Cost $2,016.88

Tool Box Foam Rolls

4 lb. Cross-Linked Polyethylene with PSA, Black, 1/2" x 54" x 108" - Case Pack
Case Cost $1,767.53
Material N/A 2 lb. Cross Linked Polyethylene with PSA N/A 2 lb. Cross Linked Polyethylene with PSA N/A 4 lb. Cross-Linked Polyethylene with PSA N/A 4 lb. Cross-Linked Polyethylene with PSA N/A 4 lb. Cross-Linked Polyethylene with PSA
Color N/A Black N/A Blue N/A Black N/A Blue N/A Black
Dimensions N/A 1/2" x 48" x 108" in N/A 1/2" x 48" x 108" in N/A 1" x 54" x 108" in N/A 1" x 54" x 108" in N/A 1/2" x 54" x 108" in
Size N/A 1/2" in N/A 1/2" in N/A 1" in N/A 1" in N/A 1/2" in
Case Pack N/A 5 sheets N/A 5 sheets N/A 4 sheets N/A 4 sheets N/A 6 sheets
Package Type N/A Case
Units Per Package N/A 5 N/A 5 N/A 4 N/A 4 N/A 6
Unit Pack N/A 1 sheet
Manufacturer Name N/A All Foam Products Co.
Lead Time N/A 14 to 21 days
Unit Price N/A $199.58 N/A $199.58 N/A $527.21 N/A $504.22 N/A $294.59
Density N/A 2 lb/ft³ N/A 2 lb/ft³ N/A 4 lb/ft³ N/A 4 lb/ft³ N/A 4 lb/ft³