Fenwicks 1L Overwintering Protector provides a protective “jacket” for caravans and motorhomes during the winter months. This product creates a shield that actively repels water, dirt, and algae, protecting your vehicles exterior without the need for a cover. Simply apply after cleaning to safeguard surfaces such as plastics, aluminium, acrylic windows, GRP, ABS, fibreglass, decals, sealants, paint, and more.