We engaged in the desktop printing system production and research for more than 4 years,main products RC inkjet paper has the specification models as 220g and 260g glossy .matte(with or without waterproof) ,260g RC double-face printing waterproof,240g glossy and economy unwaterproof matte and so on.and the base material we are using are all from shanghai lucky phase with double-stack, divides the coldcolor well distributed warm color to move (may act according tocustomer request).import materail to used in ink attracter to make sure the quicky absorb and color xxxxx??s RC products can not absorb a large amount of ink for high accuracy which is different from casting paper.so choose more accuracy printer when printing on our production as you can and set properly according to print media,just as glossy or matte and set into reflection or high qualiy photoes.after than you can be satisfied properly with the desired effect. Another import to do is that keep room temperature higher than 15degrees for the high accuracy .never touch paper before or after printing,special do not put in water immediately with the waterproof paper after printing.about half an hour for the watrproof effect.and higher temperature faster xxxxx faster than xxxxx weight is 220g and 260g(aboutA?A10g/m up and down),size for A2,A3,A4,A6 different according to customer wants.