SW77350 Designed for cleaning teak and non-skid decks. Also great for cleaning canvas and cushions. Not recommended for glossy surfaces or plastics. 7. 5" wide molded poly block with premium quality flared bristles set with corrosion resistant staples. Wrap around safety bumper protects surrounding areas. Box Dimensions: 7"H x 7"W x 11"L. Weight: 1. 6lbs.