Kindly refer the product description before buying the product.
Made from high grade plastc, non-toxic, sturdy and non-deformation, saft and durable for use.
Dimensions: 17.7x15.5x11cm/6.97x6.10x4.33 inch
Small feeding hole design for easy feeding and anti-escaping, you do not need to take all the cover away. you also can stack multi boxes together to rear without interference.
You can mount a thermometer on the box according to your needs.