It's a ink bottle easy squeeze, and with measurement unit.

Specifications:

1)  Name: ink bottle

2)  Item number: JB-178

3)  Capacity: 100ml

4)  Material: LDPE

5)  Packing: 250pcs/carton

6)  Size of carton: 53*46*37.5cm

7)  Lead time: about half an month

8)  Payment: T/T