Item Sizing: The size guide found below is specific to the costume in this listing. Other costumes may have different sizing patterns. For example, company A"s size medium may be equivalent to company B"s size large. Be sure to check the size chart closely to make sure you know what you are ordering. The list below may indicate that more than one size fits you. If you are unsure of which size to choose, then go with the larger size because these costumes may tend to run small. Measurements are stated in inches. Size Newborn | Height (inches) 23-26 | Waist (inches) 18-19 | Child Size Newborn | Age 0-6 mos Size Newborn 6-12 | Height (inches) 26.5-29.5 | Waist (inches) 18-19 | Child Size 6-12 mos | Age 6-12 mos Size Infant | Height (inches) 28-32 | Waist (inches) 19-19.5 | Child Size Infant | Age 12-18 mos Size Toddler Small | Height (inches) 33-34 | Waist (inches) 19-20 | Child Size 2T | Age 18-24 mos Size Toddler Medium | Height (inches) 39-42 | Waist (inches) 20-21 | Child Size 3T-4T | Age 3-4 yrs Size Toddler Large | Height (inches) 42-48 | Waist (inches) 21-23 | Child Size 4-6 | Age 4-6 yrs Item Color(s): This item"s color(s) may vary due to inherent variations manufacturing dye application or your computer monitor"s color settings.