... .Easy mounting 4.Budget price and top quality 25mm clip snap frame Manufacturer 1. Products Features Suzhou Bomei Exhibition Equipment Co ... , insert your poster or photos, replace the cover sheet, and snap back the sides...it's that simple to change out your ... sizes are A0, A1, A2, A3 and A4A3 and A4 Snap sided frames are also available fitted to telescopic poles as ...