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Custom Magnetic Boxes with Sponge Insert
Magnetic boxes with sponge insert inherit the security of foam inserts while further reducing the price. They effectively protect your products and are a good alternative to EVA inserts.
Get a Free Quote Now✓ Free design service ✓ 100% quality guarantee ✓ Fast sample delivery
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | Magnetic Boxes with Sponge Insert |
| Material | 157gsm Coated Paper, 1200gsm Grey Board, Sponge Foam, 2 Sets of Magnets, Eco‑friendly Glue |
| Size | 29x21x7cm (Standard Size), Custom Sizes Available |
| Printing | CMYK Offset Printing (Outside and Inside) |
| Finishing | Matte Lamination (standard), Gloss, Soft‑touch, Foil Stamping |
| Structure | Die‑cut, Magnetic Closure, Flat Placement |
| MOQ | 500 pieces (sample runs 50‑100 pieces) |
| Sample Time | 3‑5 business days |
| Production Time | 7‑10 business days after sample approval |
| Shipping | Express (DHL/FedEx/UPS), Air Freight, Sea Freight |
About Our Magnetic Boxes with Sponge Insert
Our magnetic boxes with sponge insert securely hold your products. The sturdy construction and built-in magnets ensure a crisp magnetic closure, while the soft sponge lining provides excellent shock absorption, delivering a luxurious unboxing experience. Perfect for storing jewelry, electronics, cosmetics, and other fragile items.




Premium Eco‑Friendly Materials – FSC® Certified
Jinglin Packaging is an FSC® certified factory (FSC‑C179946). Our magnetic boxes with sponge insert are made with FSC‑certified paperboard, ensuring responsible forest management and full supply chain traceability. We use only eco‑friendly materials, including 100% recycled paper options and biodegradable soy‑based inks. Choose our packaging to meet your sustainability goals and give your brand a competitive green edge.
Unlimited Customization Options
We offer full end‑to‑end customization to make your Magnetic Boxes with Sponge Insert stand out from competitors:
- Custom sizes, shapes and structural designs (including magnetic strength adjustment)
- Full‑color CMYK printing with your logo and artwork on both exterior and interior
- Premium finishing options (glossy, matte, soft‑touch, foil stamping, embossing, debossing)
- Custom‑cut sponge foam inserts (any shape, size, depth) and paper inserts or dividers
- Window cutouts, ribbon pulls, and more
Why Choose Jinglin Packaging – 3F Service

FAST
Save time without losing quality. Our lean process cuts lead time by 45% on average. Perfect for urgent restocks or seasonal needs. We meet your deadlines for every custom box order.
- Quote in 10–30 minutes
- Digital proof within 24h · Physical sample in 3 days
- Bulk order ready in 7–10 business days
- Worldwide express shipping for custom packaging

FLEXIBLE
Make any box you imagine. From fancy gift boxes to simple mailers, we handle it all. Our team adapts to unique shapes, inserts, and finishes to match your brand, whether you need rigid boxes, corrugated boxes, or paper bags.
- Any size, shape, or inner design
- Premium finishes: soft-touch, foil stamping, embossing, UV
- Low MOQ 500–1000 · sample first
- FSC® recycled paper, kraft, special boards

FREE
Start with zero cost. We give free design, free 3D mockups, and free physical samples before mass production. Also 30 days free storage — you only pay for production. Ideal for testing new custom packaging concepts.
- Free packaging design & 3D mockup
- 30 days free warehousing, ship as needed
- Lifetime support & easy reorder for custom boxes
Simple 4‑Step Customization Process
1
Consultation
Share your product dimensions, desired sponge insert shape, quantity, and budget.
2
Design & Proof
Our designers create a 2D/3D digital proof within 24‑48 hours for your approval.
3
Sampling
Physical samples produced in 3‑5 days to verify quality, size, print, and sponge fit.
4
Mass Production & Delivery
7‑10 days lead time after sample approval, worldwide shipping.
Wide Industry Applications



Frequently Asked Questions
What is the minimum order quantity for magnetic boxes with sponge insert?
Our MOQ for magnetic boxes with sponge insert is 500 pieces. Sample runs starting from 50-100 pieces are also available.
How long does it take to get my magnetic boxes with sponge insert?
Sample production takes 3-5 days, and mass production takes 7-10 days after sample approval. Shipping time depends on your location, usually 3-7 days by express.
Can you help me with the design of my magnetic packaging?
Yes, we offer free professional design service. Our experienced designers will work with you to create the perfect packaging that matches your brand identity.
Are your materials safe for products?
Absolutely. All our materials comply with international packaging standards. We use only non-toxic inks and coatings.
Can the sponge insert be customized for any product shape?
Yes, we offer fully custom sponge inserts – we can cut any shape, size, and depth to perfectly cradle your product, whether it’s electronics, jewelry, or fragile items.
Ready to Get Started?
Contact us today for a free quote and sample of our magnetic boxes with sponge insert. Our experienced team will work with you to create the perfect packaging solution for your brand.
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