Heavy duty polythene dust sheet film. Pre-taped with strong masking tape. Ideal for protecting surfaces during decorating or DIY. Refill for Silverline Masking and Shield Tape Dispenser. Size: 550mm x 33m. Heavy duty polythene dust sheet film. Pre-taped with strong masking tape. Ideal for protecting surfaces during decorating or DIY. Refill for Silverline Masking and Shield Tape Dispenser. Size: 550mm x 33m.