Plasti-Kote PKC4003hobby and Craft Sealer Aerosol Can, Clear, 6.8 x 6.8 x 20 cm : Amazon.co.uk: Home & Kitchen
Flitz Ceramic Spray Sealant and Paint Protectant: Shine, Protect + Seal Clear Coat, Plastic,1 Application Lasts up to 12 Months, Made in USA : Amazon.co.uk: Automotive