Style: Mirror base 3mm. Clear acrylic display case designed for compatibility with 21318 Treehouse models (case only). Protect and showcase your model with a clarity acrylic enclosure that keeps dust and moisture away while allowing full visibility from every angle. Key features Material: definition clear acrylic for strong transparency and low weight. Thickness options: 2 mm or 3 mm panels; mirror base option at 3 mm. External size: 47 x 47 x 44 cm (18.5 x 18.5 x 17.3 inches) suitable for 21318 Treehouse models. Construction: laser cut for precise edges, smooth surfaces, and no burrs. Assembly: tool , glue , and easy to assemble or disassemble for storage or transport. Durable: resistant to impact and not easy to break compared to glass. Recyclable: panels can be separated and recycled or reused. Dust and moisture protection: keeps models in display condition while allowing clear viewing. Package contents 4 acrylic side panels 1 plate 1 base plate Benefits and how it solves problems Keeps your model clean: prevents dust buildup and exposure to airborne particles that can dull details. Preserves display condition: reduces handling and accidental contact while maintaining a clear view. Simple setup and flexible storage: no tools or glue required, so the case can be assembled quickly and disassembled for moving or storage. Stackable design: layer multiple cases to save space and create organized displays for several models. Practical use scenarios Home display: place on a shelf or tabletop to protect a completed 21318 Treehouse while keeping it visible to guests and family. Hobby photography and cataloging: use the clear enclosure to photograph your model under controlled lighting without dust interference. Retail or exhibition display: stackable cases make it easy to present multiple items in a showroom, pop up event, or model exhibition while keeping each piece protected. Assembly tip Before assembling, check that all parts are intact. Remove the protective film on both sides of each acrylic board before putting the case together to ensure full clarity. Additional notes This listing includes the display case only. It is compatible with 21318 Treehouse models but does not include the model itself. Professional support is available for any issues after delivery.