1. Self Cleaning Cat Litter Box Cover Part Replacement Door Accessory Door of Cat 2. Compatibility: Cover Replacement Part for Self Cleaning Cat Litter Box specifically designed for automatic cat litter boxes with model numbers ranging from B0001 to B9999, ensuring a proper fit for your device 3. Material Quality: Self Cleaning Cat Litter Box Accessory is made from pp, this accessory is built to withstand regular use while maintaining its structural integrity 4. Compact Size: The Automatic Litter Box Accessory with compact size, making it a compact and efficient addition to your cat's litter box setup 5. Package Contents: Includes 1 Automatic Litter Box Accessory, easy installation and replacement 6. Note: Please carefully check the compatible models and pictures to ensure that you buy the right product 7. Size Chart: 33cmx10.5cmx7cm/12.99inchx4.13inchx2.76inch 8. Package Includes: 1 Cover Replacement Part for Automatic Litter Box 9. Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement