The unique lenspen minipro features a fully retractable ultra fine brush and a flexible chamois tip it uses a proprietary carbon based cleaning compound that wont spill or dry out theres nothing else like it on the market and the lenspen minipro has won many awards for superior product design and usability the new minipro is a shorter version of the original minipro and has been specifically designed to fit into small digital camera bags new design now with new invisible carbon