These storage jars are made of food-graded glass which is non-toxic, odourless and 100 per cent BPA-free. Each glass container is well-sealed and equipped with a silicone gasket and a stainless steel locking clamp to make sure your food stays clean, fresh and safe while in storage. Thanks to the crystal glass, you'll always know how much is left in the jar and how the preserved food is progressing without removing the top lid. The sleek, see-through design makes it look more visually appealing on your kitchen cabinet. The size of the jars is ideal for everyday home use. The airtight glass jar is good for preserving various foods like jams, chutneys, flour, cereal, sugar, spices, nuts, tea, dried beans and your favourite snacks like biscuits. The jar is also great for fermenting. The product images have props used for illustrative purposes. This item is not eligible for returns, exchanges, or refunds except for manufacturing defects.