Features: 1) Material:PS 2) Size:30*12mm 3) two holes design 4)colors:yellow,blue,red,green Description of the goods:1.Material:PS2.Size:30*12mm3.Two holes drum design4.Colors:yellow,blue,red,green5.Available in assorted colors and packing6.Suitable for school, office usePhotoes: Our company is specialized in many kind s of stationery and office equipment.And we have a senior quality control ...