Thank you for viewing. Highly recommended for moms and dads who want their babies to sleep through the night or when going out! The Swaddle Up is excellent. We've been using Stage 1 since birth and bought the whole series, but our baby slept so well that we only used this one twice. [Authentic Product] M size 6-8.5kg 3-6 months Retail price: 6040 yen [International Hip Dysplasia Institute Certified] Miracle Swaddle Swaddle Up Stage 2 Transition Bag for babies who have started to roll over All-season (spring, summer, autumn, winter) for room temperatures of 20-24°C Cotton [Official Store] SWADDLE UP that allows hands out, compliant with Australian infant product safety standards [Official] Miracle Swaddle, Japan's official store! For baby's Moro reflex, night waking, baby showers, etc. Sleep training, sleep aid, and can also be used as a sleep sack after graduating. Size: 6-8.5 kg Popular model: Swaddle Up