I bought this about a year ago and used it once for a trip. I've used it a few times since then and have been storing it. Please refrain from purchasing if you are sensitive to used items. Polban Hip Seat Basic, retail price ¥8250 Black. Also comes with a separately sold double shoulder strap, retail price ¥6600 Comes with the box. [Product Description] For babies from around 7 months old (when they can sit up) to around 36 months old. [Facing-in carry/Facing-out carry] Around 7 months old to 24 months old (up to 13kg) [Hip carry] Around 7 months old to 36 months old (up to 15kg) *When using the separately sold double shoulder strap, you can use it from when the baby can hold their head up (around 4 months old). Material Ripstop: 100% nylon Denim Black: 65% polyester / 35% cotton Common (mesh/belt): 100% polyester Size (approx.) Waist size: 62cm〜105cm (for both parents)