There's no better way to start off a celebration than with a costume - and be it a doctor, a wizard, or a 70's throwback, Smiffy's has you covered! Truly the brand that does fancy dress best, a line-up of their costumes and accessories are waiting to be discovered at OnBuy. The only question left is: who do you want to be next? Read More >

About Smiffys

From birthday bashes and pre-wedding parties to Halloween and even nights out, transform every event into memories you'll treasure courtesy of Smiffys. Home to Smiffys adult costumes and Smiffys kids' costumes alike, OnBuy's virtual Smiffys shop has you covered - we're sure of it!

Bursting at the seams with Smiffys costumes for every occasion, from Smiffys Halloween fancy dress and festive finds to Smiffys fancy dress outfits for every decade, we've truly got it all ticked off. We told you we'd have the Smiffys costume for you!

And of course, half the fun in dressing up is the add-ons and extras: cue our collection of Smiffys fancy dress accessories! Boasting everything from Smiffys wigs and Smiffys fancy dress hats to Smiffys makeup, our Smiffys accessories edit will see you spoiled for choice. Let the fun begin...