1/4 inch x 55 yds Copper Foil Tape - (6mm x 50m) - EMI Shielding Conductive Adhesive $15.95 B00CBPK0FW
1/8 inch x 55 yds Copper Foil Tape - (3mm x 50m) - EMI Shielding Conductive Adhesive B00EY44I42
Tapes Master 4" x 10ft Copper Foil Tape - EMI Shielding Conductive Adhesive (4") $12.89 B00Z8MCK6M