Oompa Loompa Child Costume (Small). Brand new Officially Licensed Charlie & the Chocolate Factory Deluxe Umpa Lumpa costume. child Size Boys Medium (8-10) for ages 5-7 approx 27"-30" waist, 50-54" height. All measurements provided by Rubies and are approximate. If in doubt please purchase larger size and children will grow into it. This posting includes: officially licensed jumpsuit as featured. Please note that only the items listed above are included.