Crafted from high borosilicate glass, these small glass jars with cork lids withstand temperatures from -20°F to 302°F, resisting cracks from sudden hot-cold shifts for long-lasting use. Each clear glass jar measures 1.46x1.57 inches (37x40mm) with a 25ml capacity, providing compact, versatile space for small items like herbs, capsules, or craft supplies. This pack of 50 glass vials with corks comes ready to use, ideal for organizing small goods, creating wish bottles, or packaging specialty items like incense or herbal supplements. The transparent glass vials feature ultra-clear, finely finished bodies that let you easily monitor the condition of stored items at a glance. Fitted with natural wood corks, these apothecary bottles excellent airtight sealing while adding a rustic, elegant touch to your storage setup.