4″×4″×8″ Ready-to-Use Acrylic Jumping Spider Enclosure No Assembly Needed | 360° Ventilation, Mini Reptile Terrarium for Jumping Spider, Mantis, Snail – Ideal for Desk, Living Room & Bedroom. 【One-Piece Acrylic Enclosure – No Assembly Needed】- Built with a seamless acrylic enclosure structure, this unit arrives ready to use—no setup, no loose panels.