Item Type: 3DPenFilamentMaterial: PLALength of Each Roll: Approx. 10 Meters / 10.9yd ( Manual Measurement, Slight Error May Exist ) .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Safe Material: These 3D pen filaments are made of premium and eco friendly PLA material, safe and nontoxic. 220 Rolls: You will receive 20 rolls of 3D pen filament refills in assorted colors, meeting your different needs for printing. 310.9yd Per Roll: Each color of these 3D pen PLA filaments is approximately 10.9yd long, giving you more options for creation. 4Smoothing Experience: These printing pen filaments provide fast molding, no cracking and no clogging of output ports, giving you a smoothing experience. 5Perfect Gift: These print pen PLA filaments in assorted colors are great gift set for your kids and art lover to have fun with crafting and drawing.