Produced with 100% Asota® solution dyed polypropylene fibers for unbeatable resistance to wear, UV and staining (bleach, salt, permanent ink, coffee, red juice, betadine and more). 52 oz heavy weight pile and large nop design provides outstanding scrubbing action. Needlepunch construction provides optimal crush resistance. Edges will not unravel or fray. OxForce™ high density rubber backing. Pile thickness: 3/8".