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.
