Contact CostumeMailer
This address is for real questions about CostumeMailer’s tools, its Learn reference, or its Costumes & Masquerade Museum — it isn’t a live-chat helpdesk. CostumeMailer doesn’t sell, rent, or ship costumes, so it can’t help with an order, a rental booking, or a refund placed with a shop, rental company, or marketplace; those questions should go to whoever you bought or rented from.
For everything else — a bug in the Fabric Yardage Calculatoror any other tool, a correction to a Learn or Museum entry, a tool suggestion, or general feedback — write to support@costumemailer.com. There’s no ticketing system and no guaranteed reply time; messages get read and answered as time allows.
Before You Write
Worth knowing up front: every CostumeMailer calculator produces an estimate from general formulas and sizing conventions, not a measurement of your actual garment, fabric, or body, so results can be off — check anything important against your own measurements or supplier before you buy or book. CostumeMailer is independently run and ad-supported, and isn’t affiliated with any costume brand, pattern company, or rental service mentioned on the site.