Way After School Girl Plaid School Costume Medium. From the Magic Silk Cheap Thrills collection this style school girl costume includes: Lycra top ties in front and features capped sleeves. Micro mini-skirt has flutter hem and elastic waist. Playful white top complete with a baby pink, black, and white plaid skirt. Knee high socks shown on model, not included. Sold separately. Adult school girl costume is made using a blend of 85% Nylon, 15% Spandex. Ladies medium fits dress sizes 8 to 10. Naughty role playing, bedroom costumes. Magic Silk Lingerie, Naughty Role Playing Wear, Adult Costumes.