●Premium synthetic leather with excellent toughness, tear resistance, and durability ●Breathable palm design helps you sweat and light your punch ●Hook and loop closure Wide wrist wrap design provides extra wrist protection. Easy to put on and take off ●4 oz and 6 oz selection 4 oz is suitable for ages 3-8. 6oz is suitable for ages 9-13 ●Used for MMA training in fighting and boxing to protect fist peak and wrist from injury