3-The Grow With Me 3 Woombie swaddles babies 0-3M and then expands to 3-6M as baby grows, with a bonus in-between stage for 2-4M if needed with a 3/4 unzip. (Non Convertible)
5- The Grow With Me Woombie swaddles babies & then allows arms out when baby begins to transition out of swaddling- 5 Stages Added length allows this product to become a sleep sack until 18M
