Keep your baby safe and warm with halo sleep sacks. All three are a size medium recommended for 6 to 12 months, 16 to 24 pounds. All the fleece show signs of wear as it has been well loved, but there are no holes or major stains. All zippers work, but they are different designs. The blue is a standard one way down zipper but zips up for diaper changes at night. The white Woodland animals is a thicker plastic zipper, still one way zips from the bottom up. The white lions is a double zipper to zip up or down for nighttime changes.