he transparent acrylic material is lightweight and crystal-clear, allowing large cat trees to blend seamlessly into home environments. It creates a brighter, more open, and less oppressive spatial ambiance.The thickened high-transparency acrylic (4mm thickness for small sizes, 7mm for medium/large sizes) achieves an optimal balance between rigidity and flexibility. With enhanced hardness and impact resistance, it ensures every leap your cat takes is stable and secure.