Features: Visible Structure & Generous Storage Space This set of 6 PVC containers (9.0×6.69×3.9 inches) provides excellent visibility and ample room for organizing building pieces, board games, puzzles and dolls. Organized Labeling Solution Each container comes with convenient identifiers for easy marking and categorization, featuring washable net compartments to securely hold instructions, small parts or game accessories. Premium PVC Construction These storage units are crafted using water resistant see through PVC substance with reinforced black edges, offering enhanced tear resistance to protect contents from particles, moisture and accidental impacts while being easy to clean. Practical Functional factors Smooth sealing mechanisms secure secure closure on each container, with integrated handles for comfortable transport between rooms or during travel, making they ideal for home use and family trips. Versatile Organization Tool Perfect not just for building piece storage but also for art supplies, craft materials and books, this 6 piece set helps maximize space efficiency while assisting children in developing organizational skills through regular use. Specifications: Substance: PVC Size: intermediate Properties: clear Technical parameters: Set of six, componentized design, easy to stack and combine, suitable for classified storage of various building block parts Usage scenarios: Family children's room | School classroom | Kindergarten activity room | Toy store display cabinet Package Includes: Building block parts sorting storage box × 6 note: Pay attention to the storage methods.