【Newly Design】The different design of our bird nesting box from other stores is the material of the breeding box.This stereoscopic parakeet nest box adopts combination of high-quality pine and transparent acrylic. Not only makes it easy for us to clear see the state of parrots in the bird breeding box through the acrylic side, but also can observe and record the breeding and hatching process between parrots. 【Size Information】This nest box is suitable for small parrots and is designed to provide parrots with a comfortable and warm habitat to encourage their natural breeding and nesting behavior. Size S: 12*12*19cm/4.7*4.7*7.5 inch (Export 7.1cm /2.8 inch).Size M:14*14*21cm/5.7*5.7*8.5 inch (Export 7.1cm /2.8 inch).Size L: 19*19*27cm/7.5*7.5*10.7 inch (Export 7.1cm /2.8 inch). Suitable for small finch lovebirds cockatiel budgie conure parrot. 【Safe Pine Material】Bird nesting box is respectively made of natural pine wood, acrylic which are warm and cozy, safe, non-toxic, chewable and