POS rolls are also named as POINT OF SALE , theas roll are used for recipt, toll, cash registers.

They are available in Thermal paper, Bond paper and NCR paper

It comes in multiply also

80 mm x 80 mm - 80 mtrs (13 mm core)
80 mm x 70 mm - 70 mtrs (13 mm core)
80 mm x 55 mm - 50 mtrs
80 mm x 40 mm - 22 mtrs

57 mm x 30 mm - 10 mtrs
57 mm x 40 mm - 22 mtrs
57 mm x 50 mm - 45 mtrs
57 mm x 70 mm - 70 mtrs

7d mm x 70 mm - bond paper - 60 mtrs

75 mm x 75 mm Two ply NCR - 27 mtrs

75 mm x 60 mm - two ply NCR - 22 mtrs

International sizes are

80 mm x 230 feet x 13 mm core
57 mm x 230 feet x 13 mm core
57 mm x 120 feer x 13 mm core
57 mm x 85 feet 8 13 mm core

44 mm x 85 feet x 13 mm core. Bond paper