The Basic Process for Bag Linings
A bag lining is sewn by creating a separate fabric pouch, inserting it into your finished bag exterior, and stitching it to the top opening. The lining hides raw seams, protects your bag's interior, and makes it easier to find items inside. Most linings are sewn before the bag is fully closed, so you work with the exterior and lining as two separate pieces until the final step.
The method works the same whether your bag is a tote, a structured handbag, or a drawstring pouch. The difference is mainly in how you handle the top edge and what you do with the handles or straps. This guide covers the standard approach used for most bags.
Key Takeaways
- Cut your lining fabric the same size as your bag exterior pieces, then sew the lining pieces together separately before attaching it to the bag.
- Leave a 3- to 4-inch opening in the lining's bottom seam so you can turn the bag right-side out after sewing the lining to the exterior.
- Pin the lining to the bag exterior at the top opening with right sides facing, then sew around the perimeter using a 1/2-inch seam allowance.
- Turn the bag through the opening in the lining, press the top edge flat, and hand-stitch the opening closed using a ladder stitch.
- Topstitch around the top of the bag 1/4 inch from the edge to hold the lining in place and create a finished look.
Preparing Your Lining Fabric and Pieces
Choose a lining fabric that is lighter in weight than your exterior fabric but sturdy enough to hold its shape. Cotton quilting fabric, cotton sateen, and lightweight canvas work well. Avoid stretchy fabrics like knits unless your bag exterior is also stretchy. Cut your lining pieces to match the dimensions of your bag exterior pieces exactly — if your bag front is 10 inches wide by 12 inches tall, cut your lining front to the same size.
If your bag has a gusset (a side panel that adds depth), cut a matching gusset from lining fabric. If your bag has a bottom panel, cut a lining bottom panel. The lining should mirror the bag's construction, just in a different fabric. Press all lining pieces with an iron to remove wrinkles before sewing.
Sewing the Lining Pouch
Sew your lining pieces together using the same seam allowance you used for the bag exterior — usually 1/2 inch. Sew the lining front to the lining back, then attach the gusset or side panels if your bag has them. Sew the lining bottom panel in place if your design includes one.
The critical step is leaving an opening in the lining. Sew most of the bottom seam, but stop 3 to 4 inches before you reach the end and backstitch. Leave this gap unsewn — you will use it later to turn the entire bag right-side out. Do not sew this opening closed yet. Press the lining seams open with an iron.
Attaching the Lining to the Bag Exterior
Place your finished bag exterior inside-out on a flat surface. Slide the lining pouch inside the bag exterior, with right sides facing each other (the pretty sides of both fabrics facing inward). The lining and exterior should be nested together like one bag inside another.
Align the top edges of the lining and exterior carefully. If your bag has handles or straps attached to the exterior, tuck them inside so they do not get caught in the seam. Pin around the entire top opening, placing pins every 2 to 3 inches. Sew around the top using a 1/2-inch seam allowance, backstitching at the start and end. Trim the seam allowance to 1/4 inch and clip the curves if your bag has a rounded top.
Turning the Bag Right-Side Out
Reach through the opening you left in the lining's bottom seam and grab the bag exterior. Pull it through the opening slowly and carefully, turning the entire bag right-side out. This takes patience — work a little at a time and smooth the fabric as you go. Once the bag is turned, the exterior is now on the outside and the lining is on the inside, where it belongs.
Press the top edge of the bag flat with an iron, using a pressing cloth if your fabric is delicate. Make sure the lining sits smoothly against the interior of the bag and the seam at the top is crisp and even.
Closing the Opening in the Lining
Fold the raw edges of the lining opening inward by 1/2 inch and press them flat. Use a ladder stitch (also called an invisible stitch) to close the opening by hand. Thread a needle with thread that matches your lining, knot the end, and bring the needle up through one folded edge. Slide the needle horizontally inside the fold for about 1/4 inch, then bring it out and cross over to the opposite folded edge. Repeat this back-and-forth motion along the entire opening. Pull the thread gently every few stitches to close the gap. Knot off the thread inside the fold when you reach the end.
If hand-stitching feels difficult, you can machine-stitch this opening closed instead. Use a straight stitch and sew 1/4 inch from the folded edges. The stitching will be visible on the lining, but it is faster and just as functional.
Finishing the Top Edge
Topstitch around the top of the bag 1/4 inch from the edge using a straight stitch and thread that matches your exterior fabric. This line of stitching holds the lining in place, prevents it from shifting, and creates a polished, finished look. Backstitch at the start and end to find the thread. If your bag has handles, sew over them carefully — your machine may need to go slowly through the thick layers.
Press the finished bag one more time with an iron. The lining should now be permanently anchored inside the bag, and the top edge should look clean and professional.
Frequently Asked Questions
What size opening should I leave in the lining?
Leave a 3- to 4-inch opening in the lining's bottom seam. This is large enough to turn the bag through comfortably but small enough that it is straightforward to close by hand. If your bag is very large, you can make the opening slightly bigger — up to 5 inches — but avoid making it so large that it weakens the seam.
Can I use the same fabric for the lining and exterior?
Yes, but the lining will be visible when someone looks inside the bag, so choose a fabric you like on both sides. Using the same fabric is common for tote bags and casual styles. For structured handbags, a contrasting lining fabric often looks more polished.
What if my bag has a zipper at the top instead of an open edge?
Sew the zipper to the bag exterior before you attach the lining. Then sew the lining to the bag exterior along the top edge as usual, sewing right next to the zipper. The zipper will be sandwiched between the exterior and lining. Trim the seam allowance close to the stitching so the zipper does not create bulk.
Do I have to topstitch the top edge?
Topstitching is not required, but it serves two purposes: it holds the lining in place so it does not shift inside the bag, and it creates a finished, professional appearance. If you skip topstitching, the lining may move around slightly over time, especially in a bag that gets heavy use.
How do I prevent the lining from puckering?
Puckering usually happens when the lining and exterior are different thicknesses or when the seam allowance is too wide. Use a lining fabric that is similar in weight to your exterior, trim seam allowances to 1/4 inch before turning, and clip curves so the fabric lies flat. Press the top edge carefully with an iron before topstitching.