MaxxMMA Prime Punch Mitts, Boxing MMA Punching Training Material: Premium synthetic leather & Mesh Dimension: 9.5 L x 7.5 W x 1.5 H Vertical foam-plated wrist construction helps stabilize and reduce the risk of hyper-extension upon impact. Premium synthetic leather provides ultra-soft feel and long lasing durability. Moisture-absorbing and anti-microbial treatment prevents offensive odors, keeping your products smelling fresh.