Benefits Adults & Children, Righties & Lefties, Ideal writing aid holder or handwriting posture correction tool.^The pliable soft and pleasant feeling silicone material made, free from toxic substances, Absolutely safe. 4 colors total, 2 pencil grips for each colors.^Pencil fit on pencils, pens, crayons & many drawing and writing tools.^Perfect gadgets for adults who are trying to correct and improve hand writing, Soft and squishy for a comfortable grip the grips help reduce muscle strain while ensuring a comfortable writing.^Considerate designed grip ring positioning more accurate, science triangle to let the children immobilize fingers on the designated proper position, achieve the purpose of training children to correct the grip pen habit.