Amscan Size Charts
Amscan Child US Size Chart
Child US Costume Size Chart
| Boy | Height | Chest | Waist | Weight |
| Small (4-6) | Up to 44" | 24" | 22" | Up to 55lbs |
| Medium (8-10) | Up to 54" | 27" | 25" | Up to 75lbs |
| Large (12-14) | Up to 61" | 32" | 27" | Up to 95lbs |
| XL (14-16) | Up to 63" | 33.5" | 28" | Up to 120lbs |
| Girl | Height | Chest | Waist | Weight |
| Small (4-6) | Up to 44" | 25" | 23" | Up to 55lbs |
| Medium (8-10) | Up to 56" | 28" | 24.5" | Up to 75lbs |
| Large (12-14) | Up to 61" | 32" | 26" | Up to 95lbs |
| XL (14-16) | Up to 63" | 33.5" | 27" | Up to 120lbs |
| Child Standard | Up to 56" | 28" | 24.5" | Up to 75lbs |
Amscan | Men's US Size Chart
Mens US Costume Size Chart
| Size | Waist | Chest | Hips |
| STD | 42 | x | 48-50 |
| MD | 40-42 | X | 48-50 |
| LG | 42-44 | X | 52-54 |
| XL | 44-46 | X | 54-58 |
| PLUS-XXL | 48-52 | X | 60-62 |
| PLUS-XXXL | 54-56 | X | 64-68 |