Specifications:

520g domestic Kraft paper back width 2cm

520g domestic Kraft paper back width 3cm

520g domestic Kraft paper back width 4cm

520g domestic Kraft paper back width 5cm

520g domestic Kraft paper back width 6cm

700g Kraft paper back width 2cm

700g Kraft paper back width 3cm

700g Kraft paper back width 4cm

700g Kraft paper back width 5cm

700g Kraft paper back width 6cm

700g Kraft paper back width 8cm

700g Kraft paper back width 10cm

700g acid-free paper back width 2cm

700g acid-free paper back width 3cm

700g acid-free paper back width 4cm

700g acid-free paper back width 5cm

700g acid-free paper back width 6cm

700g acid-free paper back width 8cm

700g acid-free paper back width 10cm