DryTime® Training Pants feature full-stretch continuous waistbands to help make them feel just like real underwear. Easy on and off. Odor-inhibiting polymer improes dryness, containment and skin care. Cloth-like outer cover is comfortable against skin, helping to minimize the risk of irritation and rashes. Easy-change design allows you to just tear along side seam for quick removal. Medium, unisex, 2T-3T fits 20-32 lbs. (9-15 kg); Large, unisex, 3T-4T fits 32-40 lbs. (15-19 kg); X-Large, unisex, 4T-5T fits 38+ lbs. (18+ kg).