Custom Sewn Cases, Covers, and Bags
Petra and Holum makes custom sewn cases, covers, and bags in Chicago. We build them to transport, protect, and display your products, from medical instruments and electronics to guitars, literature, and firearms. Every piece is made in the USA, and we can prototype your design before production. The minimum order is 500 units.

Custom Cases for Any Product
We make custom sewn cases to transport, protect, and display your products. Our work covers medical instruments, electronic devices, guitars, literature, firearms, and more. Each case is built around the item it holds, so it fits precisely and looks the part.
Custom Features
Choose from padded inserts, foam inserts, leatherette trims, shoulder straps, padded walls, dividers, pockets, card holders, and reliable zipper closures. Add your logo with silk screening, heat transfer, or embroidered patches. Every feature is chosen to improve function and match your brand.
Materials and Prototyping
We sew with nylon, leather, vinyl, polyester, fiberglass, foam, silicone, Kevlar®, Nomex®, and Hypalon. Need a prototype first? We build prototypes before production so you can approve the design.
Industries We Serve
As a sewing contractor, we work with OEM, construction, advertising, marketing, medical, and military customers. We also make sewn packaging for retail, private label, promotional, pharmaceutical, food and beverage, cosmetic, consumer goods, hospitality, and beauty brands. Large brands, agencies, influencers, and retailers use our cases to make a lasting impression.
Elevating Brands with Unparalleled Craftsmanship and Beautiful Packaging
Proudly Made in the USA
Embrace top-notch quality and craftsmanship with our sewing services, proudly Made in the USA. Every stitch reflects our commitment to excellence, meeting all your packaging needs with precision and care.
Experience Craftsmanship at Its Finest
Whether you’re looking for functional cases, stylish covers, or versatile bags, our sewing services promise to exceed expectations.

Benefits of Custom Sewn Products
- Improved Brand Image: Custom sewn products showcase attention to detail and quality, improving your brand's overall image.
- Practical User Experience: The customizable features of our sewn products provide a user-friendly experience that engages clients.
- Adaptability: Suitable for various applications, from product protection to stylish display.
- Long-Lasting Quality: Made from high-quality materials to provide durability and repeated use over time.
Why Choose Petra and Holum?
- Making packaging and sewn products since 1933
- Made in the USA, in our 80,000+ sq ft Chicago facility
- 4-6 week lead time
- Minimum order of 500 units, with projects from $25,000
- Prototyping available
- Long-term client relationships
Let us help you create an unforgettable presentation that leaves a lasting impression on your clients.
FAQs
Frequently Asked Questions
We offer a range of customization options including padded inserts, foam inserts, leatherette trims, shoulder straps, padded walls, dividers, pockets, card holders, and reliable zipper closures. Also, we can incorporate silk screening, heat transfer, and embroidered patches to meet your specific needs.
We take pride in adapting our skills to diverse materials, including silicon, nylon, leather, vinyl, polyester, fiberglass, foam, Kevlar, Nomex, and Hypalon.
Yes, our custom sewn products are ideal for luxury items. They provide a premium feel and can be designed to reflect the high-end quality of your products.
Production time varies based on the complexity of the design and the quantity ordered. We work closely with clients to meet their project deadlines.
Yes, our team of designers can assist in creating a custom design that aligns with your brand's identity and vision.
