Size Layering Dimensions Weight Stitch Color Preemie 2x6x2 9.5 x 13 2-8 lb White Newborn 2x8x2 10 x 14 4-10 lb Light Blue Infant Std 4x6x4 12 x 16 7-15 lb Light Green Infant Prem 4x8x4 12 x 16 7-15 lb Dark Green Regular Std 4x6x4 14.5 x 21 15-30 lb White Regular Prem 4x8x4 14.5 x22 15-30 lb Blue Toddler 4x8x4 17.5 x 23 30-45 lb Light Green