GOOD DESIGN Size: 5.1 x 5.1 x 4.3 inch / 13 x 13 x 11 cm. It can fit the cage firmly without worrying about water leakage or overflow. With a large square opening, small birds can easily get into the bathtub. Equipped with 4 stainless steel hooks and can be hung freely in two directions. Can be hung inside and outside the cage. Tips It is suitable for square bird cages, but not for curved or round bird cages. PLEAESE CHECK THE SIZE BEFORE YOU BUY IT TWO-IN-ONE BATHTUB & FEEDERPlace some water at the bottom so that the birds can bathe and play in the water. In addition, your feather babies may make a mess when they eat. You can put it inside, put some food at the bottom, and use it as a feeder. EASY TO ASSEMBLE & CLEAN Please pay attention to check the size before you buy it. The stainless steel hook is easy to install, can be hung on the edge of most steel wire bird cages, and can be hung on most steel wire bird cages, which is convenient and stable. It has a large opening and is easy to clean. ADD THE FUN OF THE BIRD & MAKE YOU EASIER Bird bath box for cage can be used to give the bird a sand bath, water bath or place food in it. You can rest assured to put your little friend in it when you are busy, without worry that it will be bored. Pay attention: Please check the size. There are 2 choices of size. HIGH-QUALITY MATERIALThickened acrylic material, eco-friendly, safe and healthy, durable, give birds warm and comfortable bathtub. Its clear, so you watch the birds freely.There is a layer of film outside the bath tub, which needs to be torn off. NOTE: We have upgrated the package to avoid the broken. If you still have any problem about the installation or other questions, can feel free to ask, we will answer within 24 hours.