PROMORE Clear Greenhouse Polythene Sheet 2.44M X 7.62M x 6mil (150mu) Extra Thick UV Resistant Polyethylene Film Polytunnel Cover for Horticulture, Gardening, Farming and Agriculture 8 x 25ft : Amazon.co.uk: Garden
KAHEIGN 2 x 10m Heavy Duty Polythene Sheeting, Extra-Thick Clear Garden Grow Polytunnel Cover Polythene Horticultural Membrane for Gardening Insulation & Building Rubble Protection (250Mu /1000G) : Amazon.co.uk: DIY & Tools