Dear: High Quality��wish you like it! The dimension is all the same.Size 1 means 1PC,Size 3 means 3PCS/LOT,Size 5 means 5PCS/LOT,Size 10 means 10PCS/LOT Pls note:this pant need use with Diapers,oue store have diapers to sold,thank youPackage include: color will be sent randomly, you choose the lot#(1/3/5/10 Pcs) you want.Comfortable, breathable,EconomicAdjustable Reusable Lot Baby Washable Cloth Diaper Nappies (No inserts and retailing box, safely packaged)