Paper weight is defined as GSM, which is an acronym for grams per square meter. Paper weight does NOT directly translate into paper thickness and different type of paper stock can have various degree of thickness compared to it's weight.
Standard LP inserts are printed on 150gsm paper stock, pocket sleeves are printed on 300gsm and heavier, gatefolds are printed on at least 350gsm paper stock.
|35-55 gsm||most newspapers|
|90-100 gsm||typical printer/copier paper stock|
|120-140 gsm||flyers, posters|
|210-300 gsm||magazine covers, high quality flyers, some packaging|
|350-425 gsm||packaging and business cards|