Features: 1.Made of premium material, more durable. 2.Essential office equipment for student, office white-collar. 3.Nice replacement for electric eraser. 4.The eraser set contain 30 thick eraser, 40 thin thick eraser. 5.The product is suitable for erasing of pencils, drawings, paintings, etc. specification:Feature: Made of premium material, more durable. Essential office equipment for student, office white-collar. Nice replacement for electric eraser. The eraser set contain 30 thick eraser, 40 thin thick eraser. The product is suitable for erasing of pencils, drawings, paintings, etc. : Suitable: Sketch Weight: 48g / 1.7oz Application: School, office Product dimension: 25*5mm / 1*0.2in(Thick), 25*2.3mm / 1*0.1in(Thin) Package list: 30 * Thick eraser 40 * Thin eraser (Total: 70pcs, 1 box) Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.