Ideal Combination for Crafting: the package comes with 6 pieces of craft cutting pens, 12 pieces of refills, 4 pieces of weeding tools for vinyl silhouette, 1 piece of ruler cutting mat and 1 piece of ruler, enough to satisfy your various crafting needs Retractable Design for Easy Operating: designed in the shape of pens, the pen with knife blade is retractable, flexible and portable, equipped with a non slip coat, easy to grip and use for both novices and experienced people, and you can easily press the top button to retract the pointed tip; Moreover, there are 12 pieces of refills for you to replace after a long term use Satisfactory Practicality in DIY Projects: the art weeding tools are suitable for cutting vinyl, paper, cards, etc., making it convenient for you to make paper crafts, stencils, decorate scrapbooks, posters, and more, serving as ideal helpers for architects, students, craft lovers and so on Reliable Workmanship for Lasting Service: made of quality plastic shells and metal blades, the craft knife kit is compact and serviceable, sturdy enough to stand repeated uses; The paper cutting mat is made of PP, not easy to break or deform, which can be an ideal partner for the pen knives Appropriate Size for Using: the cutting mat with measurements is approx. 30 x 22 cm/ 11.81 x 8.66 inches, with multiple grids and hollow holes on the surfaces, which can help you draw patterns or lines efficiently; The ruler is approx. 30 x 2.6 cm/ 11.81 x 1.02 inches, can be widely applied to most items