Dimore Little Boys Cotton Shorts Underwear Toddler Boxers Briefs 5 Pack (4-5YR) Boxer brief95% Cotton 5% Polyester,natural cotton and designed stylish and fit snugly for your babies Size as your reference: 2-3YR ( Fits 1-2 Year baby, Weight:22lb-28lb) 4-5YR ( Fits 2-3 Year baby, Weight:29lb-35lb) 6-8YR ( Fits 3-4 Year baby, Weight:36lb-41lb) 9-10YR ( Fits 5-6 Year baby, Weight:42lb-50lb) 10-12YR ( Fits7-8 Year baby, Weight:51lb-59lb) 12-14YR ( Fits9-10 Year Baby, Weight:60lb-77lb) 14-16YR ( Fits 11-14 Year baby,Weight:78lb-99lb) Boys' Boxer Briefs Size: Please read the detail information in the description Boys' Boxer Briefs hand wash better,5 different color as shown. use only non-chlorine bleach when needed. tumble dry low Comfortable Fit:They are extremely comfortable, the waistband is very soft, and he loves that there are no scratchy tags.