Premium Quality Material: The padded arm sleeve is made of Good quality Lycra & polyester material, as comfortable as a second skin. The are made of elastic fiber and are highly elastic and breathable.Effective Protection: The upgraded knee pads feature a thickened internal EVA foam structure designed to perfectly protect the kneecap. Thickened neoprene pad on the forearm volleyball passing sleeves helps relieve pain from ball contact and floor burns,and also provides additional sun protection when playing outdoors.Humanized Design: Volleyball arm sleeves is designed with double soft non-slip silicone strips to keep the sleeves from sliding, specially designed comfortable thumbhole of the arm sleeves offers high flexibility for fingers and won't chafe your skin. Volleyball knee pads with elastic fiber are designed to be lightweight and comfortable to wear, without restricting movement or mobility.Great Value Pack: Volleyball gear set with 1 pair of volleyball arm sleeves, 1 pair of . Very effective protection kit and ready for action.Great Gift: UMACWIN volleyball accessories set is versatile and well-suited for a range of occasions, and will make volleyball lovers enjoy drills, training & games.