The Bungee Satchel
Born from the intersection of industrial utility and modern streetwear, the Bungee Cord Satchel tells a story of resilient design. Originally inspired by outdoor gear and urban commuter aesthetics, this bag marries the industrial edge of elastic shock cords with the structured durability of heavy-duty canvas. It is a companion built for motion—stretching to accommodate your daily carry, holding its shape under pressure, and offering a distinct, avant-garde silhouette that commands attention on city streets.
Fabrics & Required Materials
To achieve a professional, durable medium-sized satchel, selecting the right textiles and hardware is essential.
Material List
- Exterior Fabric: 1 yard of 10-12 oz Heavy Cotton Canvas, Cordura, or Waxed Cotton.
- Lining Fabric: 1 yard of Cotton Twill or Ripstop Nylon for smooth interior sliding.
- Interfacing: 1 yard of Medium-to-Heavy weight Fusible Fleece (e.g., Pellon 987F) or Decovil Light for structure.
- Bungee Cord & Accents:
- 3 yards of 1/8-inch (3mm) or 3/16-inch (5mm) high-elasticity bungee shock cord.
- 4 Metal Eyelets/Grommets (1/4-inch inner diameter) with setting tool.
- 2 D-rings (1-inch width) and 2 Swivel Snap Hooks for the strap.
- 1 Magnetic Snap Closure or 1-inch Side-Release Buckle for the flap.
- Notions: Matching heavy-duty polyester thread (Tex 69 or V-69), universal or denim sewing machine needles (#90/14 or #100/16), fabric clips, and measuring tools.
Medium-Size Bag Measurements & Pattern Drafting
A standard medium satchel provides ample room for a tablet, notebook, daily essentials, and a charger, finishing at approximately 11 inches wide x 9 inches high x 3.5 inches deep.
Pattern Pieces to Draft (Add Seam Allowances to all)
- Main Body Panel (Cut 2 Exterior, 2 Lining, 2 Interfacing):
- Rectangle measuring 12 inches wide x 10.5 inches high. Round the bottom two corners with a 1.5-inch radius for a clean silhouette.
- GUSSET / Base Panel (Cut 1 Exterior, 1 Lining, 1 Interfacing):
- Long continuous strip measuring 3.5 inches wide x 36 inches long (encircles the sides and bottom).
- Flap Panel (Cut 2 Exterior matching or contrasting, 1 Interfacing):
- Rectangle measuring 12 inches wide x 8 inches high. Shape the bottom edge into a soft curve or point.
- Strap Anchors / Side Tabs (Cut 2):
- 2 inches x 4 inches (folded into quarters to hold the D-rings).
- Exterior Bungee Grid Panel (Cut 1 Mesh or Canvas):
- 10 inches wide x 6 inches high (stitched to the front exterior as a base grid for weaving the bungee cord).
Seam Allowances & Stitching Specifications
- Standard Seam Allowance: 3/8 inch (1 cm) is used throughout this project unless otherwise specified.
- Topstitching: 1/8 inch from edge for crisp, professional definition on straps, flaps, and exterior pocket edges.
- Stitch Length: Set your machine to 3.0 mm to 3.5 mm when sewing multiple layers of canvas and interfacing.
Step-by-Step Instructions: Construction Guide
Step 1: Interfacing and Prep
- Fuse the medium-to-heavy fusible fleece/interfacing to the wrong side of all Exterior main panels, gusset, and flap pieces according to manufacturer instructions.
- Mark the centre points of all pattern pieces with small clips or chalk marks for easy alignment.
Step 2: Creating the Bungee Cord Weaving Grid
- Take your exterior front main panel and position the 10x6-inch Bungee Grid Panel onto the lower centre front.
- Fold the raw edges of the grid panel under by 3/8 inch and topstitch around all four sides securely to the front panel, creating a reinforced pocket zone.
- Install 4 to 6 metal eyelets/grommets around the perimeter of the grid zone.
- Lace the 1/8-inch bungee shock cord diagonally or in a criss-cross lattice through the eyelets and across the grid panel. Secure the interior ends tightly with heavy knots or cord locks.
Step 3: Assembling the Flap and Closure
- Place the two Flap pieces right sides together, sandwiching the top portion of a magnetic snap (or buckle strap) on the under-layer if applicable.
- Sew around the curved sides and bottom, leaving the top straight edge open. Trim excess seam allowance and clip curves.
- Turn the flap right side out, press flat, and topstitch 1/8 inch around the finished edge. Set aside.
Step 4: Side Tabs and Gusset Prep
- Fold the strap anchor tabs in half lengthwise, open them up, fold raw edges to the centre crease, and fold in half again. Topstitch both long sides. Slide a 1-inch D-ring onto each tab and fold in half.
- Baste the D-ring side tabs onto the left and right sides of the exterior main back panel, roughly 2 inches down from the top edge.
- Attach the matching magnetic snap counterpart to the front exterior main panel (aligned with your flap closure).
Step 5: Joining Body and Gusset
- Pin the long Gusset strip right sides together along the curved bottom and sides of the Exterior Front Panel, matching centre marks. Sew at a 3/8-inch seam allowance.
- Repeat the process to attach the Exterior Back Panel (complete with D-ring tabs) to the other side of the gusset.
- Repeat the entire outer assembly process for the Lining pieces, leaving a 5-inch turning opening along the bottom of the lining gusset.
Step 6: Final Assembly & Bag Construction
- Slip the Exterior Bag (turned right side out) inside the Lining Bag, keeping right sides together.
- Insert the finished Flap between the exterior and lining layers at the top back edge, centring it carefully.
- Pin the entire top rim around the satchel and sew all the way around at a 3/8-inch seam allowance.
- Pull the entire bag through the 5-inch opening left in the lining. Push all corners out cleanly, fold the lining opening edges inward, and topstitch the lining closed.
- Push the lining down inside the satchel, roll the top seam firmly, and topstitch 1/4 inch around the top rim for a tailored finish. Attach a detachable crossbody strap to the D-rings.
Pro-Tips for Professional Results
- Needle Choice: Canvas and webbing can cause skipped stitches. Switch to a Denim/Jeans needle (#100/16) and use heavy-duty polyester thread to handle multi-layer junctions smoothly.
- Reduce Bulk: When stitching across thick seam intersections (such as where the gusset meets the main panel corners), hammer the seams lightly with a rubber mallet or use a "hump jumper" tool to level your presser foot.
- Pre-Stretch Bungee Cord: Give your bungee shock cord a firm pre-stretch before threading it through the grommets so it maintains uniform tension over time without sagging.





