Specifications: Material: Acrylic Purpose: automatic bird feeder Size: approx 22*13.5*9cm (8.66*5.31*3.54in) Suitable for: cockatiels, starlings, tiger skins, pearl birds, etc. Features: 1. Acrylic sheet, light and durable. 2. Unique pull-out anti-planing cuts to prevent leakage of real objects. 3. High and low double hooks, suitable for cages of different heights. 4. The drawer slip-proof design prevents food from splashing. Packing including： 1*Acrylic Bird Cage Feeder.