Made of canvas material???environmental protection and durable in use.;It can put 36 pens, also can put the different coarse or thin eraser, pencil sharpener, etc.;Design with rope,it will not broken easily.;Will not only protect the pencils better, but also keeps things neatly organized and accessible.;NOTE: Pencils not included.Package contents: 1pcs pencil case+1pcs headset bobbin winder (Note: The headset bobbin winder will be random shipments)