Welcome to Halloween Costumes for you. Every kind of costume you can imagine for adults and children. Plus Halloween decorations and accessories. Halloween Costumes 4u.com carries a full line of halloween costumes and costume accessories for adults and children (including toddlers and babies). They also have teen/young adults costumes and pet halloween costumes. Halloween Costumes 4u.com have been selling halloween costumes online year-round since 1999. They offer the coolest and hottest tv and movie character halloween costumes as well as all the tried and true classic halloween costumes.