Konrad Flex Collection

Medieval Lapis
Clear Demo Konrad Flex
Qufu Jade
Cardinal Darkness Konrad Flex
December 25th Konrad Flex
Apache Tortoise Konrad Flex
Tiger Tortoise Konrad Flex
1820 Essex Konrad Flex

The Konrad Flex is made from CAB (Cellulose Acetate Butrate) which is a resin derived from cellulose. The material is UV and shock resistant and does not crack easily. The material is also biodegradable  and comes variety of colors and opacity. 

Please note you should note use alcohol or acetone cleaners on CAB pens. 




Orders are shipped within 2 – 3 days after they are processed online.  We do not ship on weekends and US holidays.

 We do both, International and Domestic shipping.

The providers used for shipping are USPS and Fed-Ex

Shipping Method

Time in Transit


Standard Rate Shipping (US Only)
US Postal Service

3-7 Business Days (Time in transit not guaranteed)

Varies by destination

USPS Priority Mail (US Only)
US Postal Service

2-3 Business Days (Time in transit not guaranteed)

Varies by destination

FedEx Ground (Contiguous US Only)
No PO Boxes

3-6 Business Days

Varies by destination

FedEx Standard Overnight (US Only)
No PO Boxes

1 Business Day

Varies by destination

International Priority Shipping (Outside US)

Insured Global Shipping with tracking. Usually Takes 10-20 Business Days.

Varies by Country

FedEx International Priority (Not available to all Countries)

1-5 business days with tracking.

Varies by Country.


Customs duty/ Import Taxes for shipments outside of US: Your country's government or customs office may charge you a customs duty or import tax on your shipment. As the importer, you are responsible for all customs duties imposed by your respective government. Osprey Pens has no control over the duty process and is unable to provide any information about possible duties, charges or rates in advance, as each countries' laws and rates are different. Please consult with your local customs office for further information.