Stylish Silver 'Treatment In Progress' - Do Not Disturb Door Hanger Sign. Perfect for beauty salons, hair salons, spas, treatment rooms, massage, osteopathy, homeopathy, holistic, chiropractor, doctor, dentist, clinic, businesses, hotels. ENGRAVED - with text and treatment icon on front, plain black on reverse. PERFECT SIZE - 145 mm tall x 75 mm wide DURABLE - made from 3mm brushed metallic effect acrylic STYLISH - Impress clients with this stylish silver 'Treatment In Progress' Do Not Disturb, Door Hanger Sign Manufactured in Alnwick, Northumberland, UK. Please see our other listings.