Safe Materials: Our pencil grips are made of silicone, soft and comfortable, durable and environmentally friendly, not easily deformed,available for right hand and left hand.Design Ergonomic: Pencil grip can be used by righties and lefties, 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.Breathable hollow design: The pencil grip has several holes on it which create perfect air cycle and provide breathable user experience. Your hands wont get sweaty after long time useWide Application: Fits on pencils, pens, art markers and other writing tools, are designed to effectively help kids and adults in correctly position and hold pencils.Package Includes: A total of 4 writing aid grips, in pink, orange, blue and green. Pencil grips are available for kids, toddlers. Pencil holder can also help some special people like autism, elderly people with arthritis and hand tremors.