Self-Adhesive Copper Foil Conductive Shielding Tape, Copper Tape Against Snails, Suitable for Guitars, EMV/EMI Shielding, Protective Film (Double Cable, 6 mm x 20 m) Pack of 2 : Amazon.co.uk: DIY & Tools
Copper Shielding Foil for control cavities - 8" x 12" sized self adhes – James' Home of Tone