Color: As shown in the First image. Quantity and size : As shown in the title or description. Erasable Washable Pen, School and Office Writing Supplies Stationery Features: -Smooth Writing and No Dry Spots Left -100 percent New and -Buyers Attention:Because Erasable Nature, Can Not Be Used in the Securities and Important Documents Signed Work -Erasable Pen is a Special Refill, Which is Different from the Ordinary Refill. Ifthe Refills OfErasable Pen Experiences High Temperatures (this May Be During - transport) -the Color of Pen Refills Will Change (will Become Milky White), and Even Lead to Refills Can Not Be Written -If You Encounter Such a Situation, You Can Freeze the Pen Refills in the Freezer Compartment -After 12 Hours, the Color of Pen Refills Will Return to Normal.Remove the Refills from the Refrigerator -you Need to Wait 1-2 Hours, the Refills Can Be Used Normally Features: -Writing Point: 0.38mm -Pen Size:Erasable Eraser 3x5.5cm or Erasable Refill 13cm or Erasable Pen 14.5cm -Quantity : 1PcsErasable Eraserand50PcsErasable Refilland2PcsErasable Pen -Material: Plastic