Our 16mm round ring 'Postbuster' A5 binder is 22mm thick, so if you pack it cleverly you can just about post it 'large letter' rate.
Material Thickness 750 microns.
Spine Width: 21mm
16mm 2 round rings holds up to 10mm of paperwork* Orders below £200 will be charged £10 carriage + VAT
Orders of £200+ carriage free UK Mainland.
Orders from elsewhere welcome (carriage on application)