• This pattern includes sizes Newborn through 12 months.
• If your child falls between sizes, blending instructions are included to help you create a perfect fit.
• For complete size details, view the measurement chart below.

• This pattern is designed for knit fabrics and works beautifully with a wide variety of weights to match your preferred warmth level for the sleep sack.
• Refer to the material and/or yardage chart below for more details.

Customize the Birthday Brownie Sleep Sack to meet your baby’s needs and your creative vision:

• Partial or Full Lining: Choose the perfect amount of warmth and structure for your sleep sack.
• Optional Open Bottom: Add snaps for convenient nighttime diaper changes.
• Reversible Design: Play with fabrics to create a fully reversible sleep sack for twice the style.

With this pattern, you will receive:

• PDF Pattern with step-by-step instructions and printable pattern pieces that can be easily printed on your home printer. The PDF includes layers, allowing you to print only the sizes you need for convenience.
• Optional A0 Copyshop File for professional printing at a copyshop (optional, for poster-size prints at a copyshop).
• Optional Layered Projector File for use with a digital projector (optional, for projecting the pattern onto fabric if you have a compatible projector).

• Lacey: "This sweet sleep sack comes together so quickly and has the option of a partial lining or a full lining for an extra warm sleep sack. The instructions are clear with photos to accompany each step. Once you make one, you’ll probably end up making a few!"
• Danielle: "I love that it’s a sleep sack with sizes to get a good snug fit! It went together very fast and was easy and fun to make!"
• Mallory: "It was very clear and easy to use. Can be done in about 30-60 minutes depending on skill. Perfect for a last-minute baby shower gift."
• Angela: "This sleep sack is a great quick and easy project perfect for a variety of knit fabrics. Fit is generous so it is the perfect gift in any size and fun to personalize!"

Explore what our happy customers have to say about our patterns on Etsy!

Need help with any step of the pattern? Join our supportive Facebook Group to ask questions, share your progress, and connect with fellow sewists. Feel free to reach out via email too—we’re happy to help!

• This is a digital file, not a finished item or a paper pattern.
• This pattern is for personal use only. Sharing, forwarding, or distributing the pattern or any part thereof is strictly prohibited.
• All seam allowances are already included in the pattern. No need for a serger—just a regular sewing machine will do!
• By downloading this pattern, you agree to our no-refunds policy, as explained in our FAQ.
• All prices are excluding VAT. Tax will be added on all purchases made from within the EU.