expandable advertising  ball pen pen 
Material: plastic 
Size: 
1. BRP0375: 150 * DIA:14m/m 
2. BRP0375T: 150 * DIA:14m/m
3. BRP0378: 150 * DIA:14m/m
4. BRP0379: 150 * DIA:13m/m
5. BRP0380: 145 * DIA:12m/m
6. BRP0388: 147 * DIA:12m/m 
Packing: 1pc /opp bag, 1000pcs /ctn 
Remark: OEM design ( the memo can change to your design)