This display case is compatible with Lego 75277, it can protect your model from damage and dust. Size: 20 x 20 x 24 cm, 2mm thickness Important Note : This item only contains display case, All building model showed in images are not included! Installation tips: 1, tear off the protective film (1 panel has 2 protective film ) before assembly. 2, Insert cover inside the hole first, then insert the Pin inside the hole tightly. If you have trouble with assembly, please let us know. We will get solution for you.