Packing a newborn baby bag can be a daunting task, especially for first-time parents. To help you stay organized and prepared, here are ten essential packing tips:

1. Diapers: Pack an ample supply of diapers, considering how often newborns need to be changed. Aim for at least 10-12 diapers for a day-long outing.

2. Wipes: Ensure you have a pack of baby wipes to clean your baby's sensitive skin during diaper changes.

3. Clothing: Pack several sets of onesies, sleepers, and socks to keep your baby comfortable. It's best to choose clothes made of soft, breathable fabrics.

4. Swaddling blankets: These blankets provide warmth and security to newborns, so pack a few for various weather conditions.

5. Burp cloths: Newborns tend to spit up frequently, so pack a few burp cloths to protect your clothes and keep your baby clean.

6. Feeding essentials: If you're bottle-feeding, pack enough formula, bottles, and nipples. For breastfeeding, bring breast pads and nursing covers.

7. Pacifiers: A pacifier can soothe your baby during fussy moments, so remember to pack a couple.

8. Changing pad: A portable changing pad is a must-have to ensure a clean and comfortable surface for diaper changes.

9. Baby toiletries: Don't forget to pack baby shampoo, lotion, and a small brush or comb for grooming.

10. Extra supplies: It's always helpful to pack extra items like a small first-aid kit, extra clothes for yourself, a portable toy, and a hand sanitizer.

By following these ten packing tips, you can ensure that your newborn baby bag is well-stocked and ready for any situation.