Introduction

For food and supplement brands, food grade plastic packaging is far more than just a container. It protects your product, preserves freshness, and represents your brand image. Many buyers struggle with unstable batch quality, inconsistent transparency, poor sealing and material safety risks when sourcing plastic food packaging.

At Brotherpack, we specialize in custom food‑grade plastic packaging, including protein powder jars, squeeze bottles, and PET containers. We focus on stable production, food‑safe materials and full‑process quality control to support your brand’s long‑term growth.

Our Core Food grade plastic Packaging Product Range

We offer a full lineup of blow‑molded hollow containers for food, nutritional supplements and daily‑use goods.

Protein Powder Jars

Wide‑mouth jars for whey protein, meal replacement powder, nutritional supplements. Available in HDPE and PET materials, with tight‑sealing lids to prevent moisture and caking. Multiple capacities for bulk and retail packaging.

Squeeze Bottles

Food‑grade squeeze containers for sauces, honey, pastes and liquid nutritional products. Custom neck designs, leak‑proof caps, smooth squeeze performance.

PET Bottles & Jars

High‑clarity PET containers. Perfect for products where you want to show the contents. Lightweight, shatter‑resistant, recyclable, suitable for food, beverage and supplement packaging.

We support custom mold development, different colors, surface printing, and customized sizes for your unique brand requirements.

Why Quality Matters for Food‑Contact Packaging

Food‑grade packaging needs to meet strict safety standards. Poor‑quality containers can cause:

• Yellowing or uneven transparency across production batches
• Leakage and poor sealing, which damages your finished goods
• Dust‑caused surface defects and visual flaws
• Risk of non‑compliant material for food‑contact use

These hidden quality issues create extra costs for brands: product waste, customer complaints, and damaged brand reputation.

Our Production & Quality Control System

To deliver consistent, reliable packaging, we run a 2000㎡ 100,000‑class GMPC clean workshop, which greatly reduces dust‑related defects.

Our production process includes strict controls:

• Raw‑material drying: We control moisture level below 0.02% to avoid discoloration and water‑ripple defects.
• Constant‑temperature workshop environment for stable blow‑molding performance.
• Shift‑based sample retention: The first 20 bottles of each shift are kept for comparison to monitor batch consistency.
• Full‑range inspection after production: No products ship out without complete quality screening.

All our plastic containers comply with food‑contact safety requirements, suitable for food, sports nutrition and health supplement markets.

Custom Service for Your Brand

Whether you need standard off‑the‑shelf containers or fully custom‑designed packaging:

• ✅ Custom mold opening for unique shapes and sizes
• ✅ Bulk mass production
• ✅ Custom color, silk‑screen printing, hot‑stamping and surface finishing
• ✅ Food‑safe material options: HDPE, PET

We work with both startup brands and established manufacturers, providing stable supply and competitive lead‑time.

Conclusion

Selecting the right food‑grade packaging is a critical business decision. Poor packaging can ruin your finished product, while reliable containers protect your brand value.

If you are looking for trustworthy supplier for protein powder jars, squeeze bottles or PET food containers, feel free to contact us for quotation and sample request.

Frequently Asked Questions About Food Grade Plastic Packaging

1. Are your plastic jars and bottles food safe?

Yes. All our protein powder jars, squeeze bottles and PET containers adopt food-grade HDPE/PET raw materials, which meet food contact safety standards. Our 100,000-class GMPC clean workshop further ensures hygienic production.

2. Can I customize the size, color and printing of packaging bottles?

Absolutely. We provide full customization services including custom mold opening, different bottle capacities, color matching, silk screen printing, hot stamping and surface finishing to match your brand style.

3. How do you guarantee stable batch quality without yellowing or water ripples?

We adopt constant-temperature blow molding workshop, strictly dry raw materials to control moisture below 0.02%, keep sample bottles from the first 20 products of each shift for comparison, and carry out full inspection before delivery to avoid inconsistent transparency and defects.

4. What’s your minimum order quantity for custom plastic packaging?

The MOQ depends on whether you choose existing molds or new custom molds. For in-stock standard bottles, the MOQ is lower; for exclusive custom molds, we will provide flexible quantity plans according to your production demand.

5. Do your squeeze bottles have leak-proof performance?

All squeeze bottles are equipped with matched leak-proof caps. We conduct tightness testing during production to effectively prevent liquid leakage during transportation and storage.

6. How long is your production and delivery lead time?

For stock products, we can arrange shipment quickly. For customized orders with new molds, we will confirm mold development cycle and mass production schedule separately and communicate the exact lead time with you in advance.

7. Can I get free samples before placing bulk orders?

Yes, we support sample requests for all our product lines including protein powder cans, squeeze bottles and PET bottles. You only need to cover the sample shipping cost.