❔ | What is the difference between a pinboard classic, pro and bulletin?

Classic	Pro	Bulletin
Has a layer of durable press cork. Only available in the colour brown. The notice board consists of a top layer of 2 mm natural cork, 10 mm softboard as core, and an 8 mm HDF hardboard on the back for extra reinforcement.	Has a layer of durable felt that is available in various colours. The notice board consists of a top layer of durable textile felt, 10 mm softboard as core and an 8 mm HDF hardboard on the back for extra reinforcement.	Has a layer of durable linoleum material. The notice board is composed of a top layer of 6 mm bulletin linoleum glued to a 12 mm HDF hardboard on the back for extra reinforcement.