All pencil cases are made of canvas and cotton linen material.Rolling it up if you do not need,space saving and more tidy.Made of durable and washable material, ideal for long-term using.Effectively prevent the pen point from breaking and falling.Perfect for the art students to place the color pens,water color brush,paintbrush,eraser,etc.Material: Canvas,Cotton LinenOptional Types: 12/24/36/48/72 holesFor details size as follows:12 holes: app.20x23cm/7.87x9.06in24 holes: app.20x34cm/7.87x13.39in36 holes: app.20x46cm/7.87x18.11in48 holes: app.20x58cm/7.87x22.83in72 holes: app.20x82cm/7.87x32.28inMain Color: WhitePackaging : 1 Pcs x Pencil Case (Does not include pencil.)Note:1. Due to differences between monitor displays, actual color may vary slightly from image.2.Item Measure by hand, it could be 1-2cm different,your kind understanding will be much appreciated.