Oompa-Loompas are fictional dwarves depicted in Roald Dahl's books, 'Charlie and the Chocolate Factory' and 'Charlie and the Great Glass Elevator'. According to these books, the Oompa-Loompas came from Loompaland, which is full of dangerous creatures such as Snozzwangers, Hornswogglers, Whangdoodles, and Vermicious Knids. Oompa-Loompas are the only people who are allowed to work in Willy Wonka's factory. They are only knee-high and have green, unusually cut hair. They are paid in cocoa beans. Oompa 'Loompas generally have orange faces with white eye-brows and green hair. They wear white gloves to cover their hands. They also wear white shorts or Capri pants. They wear white cross suspenders or cloth strips and white shoes or sneakers. Their suspenders are locked with big brown buttons. Their trademark turtlenecks are striped in brown and white. The same colored striped socks complete their dress. The Capri pants are pointed out near thighs. Another type of costume associated with Oompa-Loompas is less popular but is often worn on a Halloween day. This costume is a red one-piece jumper-suit. This suit is ankle length and covers the hands till the wrist. It is accompanied with black and white stripped socks and wrist bands. It has four triangles facing down on the chest. The material used for this costume is synthetic. A broad plastic belt covering the stomach till the chest is worn over the dress. Oompa-Loompa costumes have gained a lot of popularity as Halloween day costumes. A lot of people find these costumes scary and hilarious at the same time. They are available in different sizes for kids and adults. One can order these costumes as per measurements to give it a more comfortable fit.