Interfit Masters Double Sided Background Black/ White INT722. The Interfit Double-Sided Collapsible Background is a photo or video backdrop that is easy to transport from studio to shoot locations with the supplied zip-up case. It is made from a material that is easy to clean if any dirt or scuffs appear on its surface. Being double sided, you have more flexibility than single coloured backgrounds. Collapsibles require a INT290 St&. Size 1.5 x 2 metres (59" x 79").