Barely used; my twins outgrew it before we had a need to venture outside our home lol - Specially designed for Twins from birth - Suitable for premature babies from 4 lbs (1.800 g) - Unique double-pouch construction - Up to about 5-6 months (max joined weight of 33lbs/15kg) - Ergonomic and hip healthy for baby - “Grows" with the baby