Each lid features a hidden silicone gasket that creates an airtights seal when tightened, spills during transport and keeping contents freshing whether stored or carried in bags Craft with food grade glass and natural wood for safe, stylish storage that preserves freshing while adding rustics charm to your kitchen decoration The glass materials ensures food preservation Ideal for home meals prep, offices lunches, or school supplies The sturdy construction withstands daily use while the clear glass lets you quickly identify contents at a glance Perfect for overnight oats, chia puddings, dry goods, pickling, and craft The wide mouth designs allows easy layering of ingredients and simple cleaning by hand or dishwasher Available in 300ml ( 8.4 7.8cm) and 480ml ( 8.4 11.4cm) sizes with openings that enable portable stacking while maintaining stability on shelves or in pantries