Cork stopper H15x15/13 mm

Natural agglomerated cork stopper, technical details of the product:

Height: 15 mm
Top diameter: 15 mm
Bottom diameter: 13 mm

Cork stopper H15x15/13 mm – the natural closure for your bottles and small containers

The cork stopper H15x15/13 mm offers a simple, effective and eco-friendly closure solution, ideal for small glass containers. Thanks to its gentle taper and compact dimensions (15 mm high, 15 mm top diameter, 13 mm bottom diameter), it fits a wide variety of bottles, vials and tubes perfectly. Whether you are a craftsperson, a local producer or a retail professional, this stopper gives you a reliable, clean closure without affecting the contents.

A cork stopper H15x15 / 13 mm designed to preserve the quality of your products

The cork stopper H15x15/13 mm is not just a closure accessory: it plays an active role in protecting and preserving sensitive products. Thanks to its unique honeycomb structure, made up of air-filled cork cells, it creates a natural barrier against moisture, micro-organisms and gas exchange. This property significantly slows oxidation while maintaining the organoleptic qualities of the contents: taste, smell, texture and freshness remain intact, even after several weeks or months of storage.

Unlike some synthetic closures, cork does not interact chemically with the substances it protects. It is therefore perfectly suited to high-value products, particularly in aromatherapy, herbalism or fine food. Essential oils, floral extracts, flavoured vinegars, natural elixirs, artisanal syrups and ground spices retain their full integrity, with no deterioration caused by the container.

The taper of the H15x15/13 mm stopper ensures an optimal fit in narrow necks, guaranteeing an effective seal without excessive force. This precise closure prevents leaks, even with frequent handling or during transport. In addition, the slightly textured surface of the cork provides a good grip, making repeated opening and closing easy without the material deteriorating.

Its compact dimensions make it a solution of choice for small glass bottles and tubes. It is particularly popular for sample kits, discovery boxes, small artisanal runs or personalised packaging. Whether at the point of sale or in the home, this stopper combines effectiveness and good looks. It gives a natural, authentic appearance, instantly enhancing the product it seals. Its stability in use – even after much handling – confirms its suitability for everyday as well as professional use.

Cork: a sustainable material

The cork used for the H15x15/13 mm stopper is an exceptional natural resource, taken from the bark of Quercus suber, better known as the cork oak. This material is harvested using an environmentally friendly method: the tree is neither cut down nor damaged. The bark is removed by hand every 9 to 12 years, in a sustainable cycle that allows the tree to regenerate naturally. This age-old practice, mainly carried out in Portugal, Spain and the south of France, helps preserve local biodiversity and combat desertification.

Once harvested, the cork goes through a series of rigorous stages designed to retain its properties while ensuring absolute cleanliness. The material is first boiled to remove its impurities, improve its flexibility and stabilise its structure. It is then air-dried under controlled conditions, precisely cut and mechanically shaped without adding glues, solvents or synthetic agents. This low-environmental-impact manufacturing process guarantees a stopper that is safe, stable and suitable for food, cosmetic or therapeutic uses.

The result is a stopper with a soft feel and a natural finish, whose light colour and subtle irregularities reflect its plant origin. Each piece has its own identity, adding real aesthetic value to your containers. This raw yet refined look is much sought after by brands committed to an ethical, artisanal or organic approach. Cork instantly evokes naturalness, simplicity and sustainability — essential qualities in the positioning of premium or responsible products.

Finally, cork is one of the few packaging materials that is recyclable, compostable and biodegradable without any prior treatment. It breaks down naturally at the end of its life, without generating polluting waste or microplastics. Using a natural cork stopper is therefore an environmentally responsible choice, in line with the expectations of modern consumers, who are increasingly aware of the environmental impact of packaging. In a world where packaging has become a selling point in its own right, this stopper offers an answer that is technical, aesthetic and sustainable.

Multiple uses for a range of sectors such as aromatherapy or the food industry

The cork stopper H15x15/13 mm appeals through its versatility and adaptability to a wide variety of professional and craft uses. Thanks to its compact, tapered shape, it is used in many sectors: food industry, cosmetics, wellness, decoration, science teaching and laboratories. It suits small production containers as well as sample sizes, wherever a reliable, natural closure is essential.

In aromatherapy and natural cosmetics, this stopper is commonly used to close vials of essential oils, flower elixirs, concentrated serums or oil macerates. Its ability to preserve active properties, without chemical interaction with the contents, is a valuable asset for delicate preparations. It is also compatible with tinted glass bottles, often used to protect light-sensitive substances.

In the food industry, the H15x15/13 mm stopper is ideal for mini tasting bottles, vanilla tubes, bottles of balsamic vinegar or spiced preparations. Artisan food makers and local producers appreciate its ability to enhance a product while guaranteeing its integrity. It also allows containers to be sealed by hand, without the need for a capping machine or industrial equipment, making it perfectly suited to small batches or seasonal production.

In science and education, this stopper is often used in laboratories and schools to close test tubes, laboratory tubes or bottles containing non-corrosive solutions. Its compact size, good hold and chemical neutrality make it a safe choice for regular handling. In addition, its ease of insertion and removal is a real plus where speed and precision are needed.

Finally, this stopper has its place in decoration and product design. It is used in making natural candles, DIY kits, personalised handcrafted objects or floral arrangements in tubes. Its raw texture and natural look reinforce the authenticity of creations. In shop or market displays, it catches the eye and instantly conveys an image of simplicity, sustainability and artisanal quality.

Thanks to its perfect compatibility with the glass tubes offered by Bolium, the H15x15/13 mm stopper is a complete packaging solution. It provides a neat, consistent finish, whether you want to protect your products during transport or perfect their presentation at the point of sale. Easy to handle, natural, reliable and elegant, it is a strategic choice for all professionals who want to combine functionality and aesthetics in their packaging.