colorfull 12cm ruler office & school ruler, straight ruler, riangular ruler, all different rulers are available.... colorfull 12cm ruleruseful for school & office and easy to take.We ... manufacture in stationery items (such as: pencil, pencil box, eraser, ruler, sharpner, scissors, transparent tape, color pencil, water color pencil, ect ... Give us a chance, you will win the best!! colorfull 12cm ruler