Heavy-Duty black polyethylene mixing tub. Job-site tough! Allows the operator to mix more thoroughly and easily, rather than in the tight confines of a 5 gallon bucket. - Heavy-Duty black polyethylene mixing tub - 17 gallon maximum. General working size: 15 gallons/2 plus bags. - hand grips on sides - roll-over lip at the top to attach to RMX mixing station - Rugged Tough Tub for Mixing any job-site materials. - Suitable for use with any of Collomix hand-held power mixers and specifically designed to work with Collomix stationary mixers.