This baby carrier features a simple design made of lightweight nylon and adjustable straps. - Brand: mont-bell - Color: Black - Design: Simple design - Features: Adjustable straps - Material: Lightweight nylon The height adjustment part of one of the back belts is stiff, but it can still be adjusted. It shows signs of use, but is still usable. It's lightweight and compact, making it easy to use and very convenient. Thank you for looking.