Monroe Living Butt Hinge series products are a one-piece, molded, spinless hinge. The Living Butt Hinge is a silent, maintennance free plastic hinge. Living Butt hinges never require lubrication and resist degradation in moist and/or corrosive environments. UV protection built into every plastic butt hinge. Plastic Living Butt Hinges are available in a variety of standard sizes. Plastic Butt Hinges can also be molded to your specifications. Plastic Living Butt Hinges are available in brown, black, gray, and white.