biodegradable pen

 70% biodegradable in 100 days after disposed according to ISO14855 standard.(pure fibrin is 84.4% biodegradable)
Wont be biodegraded during using.
We supply ISO14855 Test Report, and accept being test according other authoritative international agency.
Stand more than 150, suit for shipping by sea in the container.
Material is Easy to be injected, OEM business is acceptable.
Good flexibility, not easy to break down.
Transparent injection isnt available.

Material of these pens is made of starch of corn straw, almost cheap as ABS but biodegradable.