MOSSY OAK GAME STAIN REMOVER PRE-SOAK is a heavy duty laundry stain pre-soak that attacks stains on hunting, fishing, and other rugged outdoor clothing. Contains BORAX and stain-blasting enzymes. No UV Brighteners. Tackles tough stains such as: blood, dirt, and organic matter. Safe on colorfast washable fabrics. Works in all water temperatures.