BabyBjorn ONE KAI Air Baby Carrier Retail Price: ¥24,200 Color/Pattern: Anthracite 4-Way: Facing In, Facing Out, Back Carry, and Newborn Weight: 3.5kg~15kg Breathable mesh material Purchased in 2020, used until my son was 2 years old. There may be minor scratches and scuffs from use, but overall, it's in good condition. Feel free to inquire about combined purchases or discounts.