HAZARD 4 PAT-AQA-BLK Aquatic Division Patch Black Rubber patches with hook-fastener backing. Can be mounted on any loop patch area. Easy to remove and wash. SIZE: ~3.2" L x 3.2" W x 0.1" D (8.2 x 8.2 x 0.3 cm). MAIN MATERIAL: TPR rubber 3-D injection-molded.