Specifications:  
1) MLF230G: 200 x 300D / 18 x 12, 280gsm
2) MLF230G: 200 x 300D / 18 x 12, 300gsm
3) MLF230G: 200 x 300D / 18 x 12, 320gsm
4) MLF230G: 200 x 300D / 18 x 12, 340gsm
5) MLF230G: 200 x 300D / 18 x 12, 380gsm
6) MLF350M: 300 x 500D / 18 x 12, 400gsm/440gsm
7) MLB350G: 300 x 500D / 18 x 12, 500gsm
8) MLB350G: 300 x 500D / 18 x 12, 550gsm
9) MLB350G: 300 x 500D / 18 x 12, 610gsm
10) MLF550M: 500 x 500D / 9 x 9, 450gsm
11) MLW-B550G: 500 x 500D / 9 x 9, 450gsm
12) MLF550G: 500 x 500D / 18 x 12, 620gsm
13) MLB550G: 500 x 500D / 18 x 12, 510gsm/650gsm
14) MLB5010G: 500 x 1,000D / 18 x 12, 610gsm
15) MLF1010M: 1,000 x 1,000 / 9 x 9, 460gsm
16) Blockout: 1000 x 1000D, 9 x 9, 460gsm (white outside and black inside) 
17) "F" means frontlit, "B" means backlit, "G" means the surface is "gloss"
18) "M" means the surface is "Matt", "W-B" means "white-black", "C" means 
    colored, color / weight / thickness can be changed as per your requirement