pen holder 1.made of Portugal cork,eco-friendly material. 2.round,square,champagne cork shape,book shape. 3.1c logo print. pen holder1) made of Portugal cork,eco-friendly material.2) with round,square,champagne cork and book shape,very nice.3) 1 color customer logo printing is viable.4) customized size or shape can be discussed.5) ISO 9001 certificate passed.