Case Study: 4 oz Glass Oil Bottles for a French Gourmet Company

Xuzhou Minghang Packaging Products Co., Ltd.

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Case Study: 4 oz Glass Oil Bottles for a French Gourmet Company

September 14, 2025
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Client Background

A French gourmet food company that sells premium olive and cookingoils sought out Minghang to design a custom-printed 4 oz glass oil bottle. The company wanted to create a compact, elegant packaging with product compartmentation to enhance freshness, appeal to high-end consumers, and align with their brand. They needed bottles for their retail shelves, gift packs, and food service distribution across Europe to retail outlets. 

Our Challenges

The company had many challenges with their current packaging. The standard generic bottles were not sealed properly creating danger of spillage with the wrong circumstances and interrupt freshness with handling. Further, the small 4 oz glass oil bottle size complicated the design of a sleek form to represent function and efficiency. As well, the company required a bottle with sufficient strength for shipping and filling and enough surface area for custom labels and branding. 

Case Study: 4 oz Glass Oil Bottles for a French Gourmet Company

Problem Identification

After discussing the issues, Minghang was able to narrow down 3 key barriers they had to packaging well: sealing, durability, and branding. Without proper air tight closures oils tended to lose flavour and aroma; thin glass walls could be breakable through handling; and the small available surface area did little for properly telling the gourmet brands offerings and story. Minghang was going to have to consider structural design and rethink towards established production methods to resolve these issues.

Our Solution

Our well-researched project was an NT ecological bottle made of thick, food-grade 4 oz glass and hermetic cap to protect freshness. The bottle was designed to have little weight, while still being highly durable, which made it a nice container that was light in hand and nice for consumers to hold when purchasing. The bottle was square in profile; this, provides the best look for labeling and offers maximum space while keeping a compact and ergonomic container all around. We had flexibility in production, which we could place large or small runs with the glass bottle and we could keep consistent quality because each batch is tested. Once we finalize the order, we send a first run to be checked for quality, packaging branding, and everything. 

Case Study: 4 oz Glass Oil Bottles for a French Gourmet Company Case Study: 4 oz Glass Oil Bottles for a French Gourmet Company
Custom 4 oz Clear Glass Olive Oil Bottle Custom 150ml Oil Dispensers

Outcome 

The final product was a 4 oz glass oil bottle far exceeding anyone’s expectations at the company. The French gourmet food company took the plunge and introduced their oil with secure and elegant food-grade glass packaging, which enhanced shelf appeal to a consumer and retailer's trust. Retailers loved the look; distributors loved the quality. As a result of Minghang’s custom glass solution, our client is now much stronger in the gourmet food world, and they've opened up several new B2B opportunities for expansion.

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