Lil' G Knee & Elbow Pads are sold as a set and sizes are: S/M (average age 2-3 years), L/XL (average age 4-5 years) Set includes one pair of elbow pads (available in one size) and one pair of knee pads (available in two sizes) Compression fit sleeve EVA foam pads for lightweight protection for toddlers entering sports. Knee & Elbow Guard Lil G Toddler S/M