What's material for now CR box?
Discover the best material for CR boxes with Best Pack. Our expert insights help you choose durable, high-quality materials suitable for packaging needs. Enhance protection and sustainability with the right material for CR box solutions. Explore now for optimal packaging performance.
In 2025, child-resistant (CR) boxes are made from a mix of traditional and innovative materials, balancing safety, durability, sustainability, and compliance. Here are the most common materials used today:
1. Rigid Plastic (PP, PET, HDPE)
- Most common for CR boxes (e.g., cannabis pre-roll tins, pill bottles).
- Polypropylene (PP) – Resistant to moisture, lightweight, and durable.
- High-Density Polyethylene (HDPE) – Used for medicine bottles (child-resistant caps).
- PET (Polyethylene Terephthalate) – Clear, recyclable, often for edible packaging.
- Benefits: Reusable, tamper-evident, and compatible with push-and-turn/squeeze-to-open CR mechanisms.
2. Fiber-Based Materials (Cardboard, Paperboard, Molded Pulp)
- Sustainable alternative gaining traction in 2025.
- Folding Carton CR Boxes- Some now integrate lock mechanisms or require two-handed opening.
- Molded Fiber (Pulp) Containers – Used for cannabis edibles, supplements (biodegradable & compostable).
- Challenges: Must pass ASTM D3475 (child-resistant certification) without sacrificing eco-friendliness.
3. Metal (Aluminum, Tinplate)
- Premium CR tins for cannabis, nicotine pouches, and luxury supplements.
- Features:
-Hinged lids with CR locks (press-to-open).
- Recyclable & odor-resistant (ideal for cannabis).
- Example: Altoids-like tins with child-resistant latches.
4. Flexible Films & Laminates (Stand-Up Pouches)
- CR zipper pouches for edibles, coffee, and supplements.
- Materials: Often PET/foil/PE laminates with resealable CR zippers.
- Lightweight & portable, but must pass squeeze-test requirements.
5. Hybrid Materials (Plastic + Fiber Combos)
- Plastic inner liner + outer paperboard sleeve (e.g., some CBD gummy boxes).
- Biodegradable PLA (Polylactic Acid) coatings on paper-based CR boxes.
Key Considerations for CR Box Materials in 2025:
✅ Must pass ASTM/ISO child-resistant testing (e.g., ASTM D3475, EN ISO 8317).
✅Sustainability – Brands prefer recyclable, mono-material, or compostable options.
✅Cost-Effectiveness – Plastic remains the cheapest, while fiber/metal are premium.
✅User Experience – Must be senior-friendly (easy for adults, hard for kids).
Future Trends in CR Materials:
- Smart CR packaging (RFID/NFC locks, QR-code access).
- Edible/biodegradable films for single-use CR packs.
- More paper-based CR solutions as tech improves.





About us
Leading time for samples production?
Normally we need 3-7 days for samples making, 10-12 days to complete your orders,but the delivery time more depends on the order QTY.
Are you able to do design for my products?
Yes, just send us your logo artwork in Vector file, such as AI or PDF format,and text information you want to print ,we can put it on box to make the design to let you check. Once you say ok, then we go on to make samples or production.
How much of your samples cost ?
1. If samples are without printing, we can make free samples as per your box size or structure;
2. If samples are silk printing, normally USD 25 per color,depending on your logo colors;
3. If samples are offset printing, need USD 180 as offset printing mold cost is high.
What is the box size and structure?
1. All boxes are customized and all detailed requirements can be provided by clients, we are definitely your OEM service supplier.
2. If you have no idea about the measurements and structure on your products, our professional design team can suggest and solute for you .
The process of your packaging box production?
1. Make knife mold as per box size and structure
2. order material as per mold
3. make printing on material if need to print
4. suppress and cut material
5. Makeboxes with glue edge in machine
6. Package boxes into cartons

A custom child lockbox is a safety mechanism specifically designed to prevent children from accidentally accessing or operating potentially hazardous products. Commonly used in packaging for e-cigarettes, pharmaceuticals, cleaning agents, and household appliances, child locks play a vital role in reducing accidental injuries and ensuring regulatory compliance.
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