SQUARE CLIP TOP BOTTLE: The Kilner clip top bottle is perfect for canning healthy, homemade drinks and sauces, the traditional square-bottomed shape is space-saving making it ideal for pantry storage, featuring a high-grade stainless steel clip system, engineered to create the perfect tension providing an airtight and secure seal every time SIZE: The bottle capacity is 0.25 litres which is the perfect size for canning flavoursome sauces, salad dressings and infusing oils, this is not suitable for carbonated liquids DURABILITY: Each bottle is made from high-quality sodalime glass with pristine clarity and consistent wall thickness ensuring no weak points, please note this item is handwash only, do not pour boiling water directly into this jar SUSTAINABLE GLASS: Our glass is made from natural ingredients so no harmful chemicals or toxins can leak into the food, glass is BPA-free and does not absorb odours, flavours or stains, not only is glass a healthier option, it is made to last and never for single use THE KILNER STORY: The original kilner Jar, invented by john kilner and co, in england is as much loved and successful now as it was over 180 years ago