The Projointz Heavy Duty Gel Knee Pads are designed for adults and come in one size with a black hardshell style. Made of gel material, these knee pads provide adjustable fitting and are suitable for knee protection during various tasks. The set includes two knee pads and is ideal for use in home improvement projects, workshops, or any activity that requires extra knee support. These heavy-duty knee pads offer reliable protection for the legs, making them a practical choice for those seeking comfort and safety during physical work.