EASY TO USE: Just press the pencil head lightly when we used. The pencil head can be taken apart easily, so the lead refill can be replaced at will. The pen tip designed with a sleeve to protect lead from easy breaking, and the pen case can be reused. STRIVE PENCIL CASE: Transparent mesh design with capacity, it’s lovely and durable.Value package of 18 pcs set suitable for study and office,and also suitable for children as a gift for school.Complete set can cater to a long writing needs and you needn't to buy anything else.