1.Made of new PE plastic non-toxic tasteless and non-radioactive.
2.Thickening ribs rounded corner design reduce damage to the product during collision heavy pressure without deformation durable.
3.The side of the box has a corresponding buckle design which can be used in combination. Up and down can be combined into a whole set by pillars and building blocks. Flexible and convenient.
4.It can place large and small metal parts pens paper and other objects to prevent the pieces from being lost.