Thanks for choosing our ZENY indoor pet gate. This pet gate is made of solid MDF which provides a strong frame for a long time using.Its 20lbs light weight is more convenient for folding, expanding or moving.This folding design is easy for storing, moving and using. Meanwhile, its freestanding feature is suitable for the foldable feature which makes it simple to set up and store.Item comes completely assembled already, you can use it directly. If you have any questions, please do not hesitate to contact us.