Frame material: Alminium Material: Alminium One-Hand Folding：This stroller offers a unique one-handed fold with automatic locking in seconds allowing your other hand to be free for your baby or to carry objects. Perfect for single mom at home with baby and frequent travelers. Folding size:85*55*30cm, compact and lightweight, you can insert it in the upper compartment of your plane or under the seat in front of you, or save space by being placed in the trunk of the car. Secure Travel System：with