Vitscan 300cc Oxygen Absorbers are food-grade O2 absorbers formulated for food storage and long-term preservation of sealed packaged goods. Each absorber is 300cc in capacity and comes individually wrapped to help maintain sanitary handling until use. The product is provided as a 100 Pack to support bulk storage, emergency supplies, or extended pantry preservation needs. These oxygen absorbers remove oxygen from sealed environments to reduce oxidation and help extend the shelf life of stored food items. The listing notes they are not classified as dangerous goods or hazardous materials, and they are not aerosols. CA Prop 65 fields for reproductive chemicals and carcinogens are marked No in the product information. Use these absorbers in appropriate sealed containers and packaging as part of your food storage routine, following any container manufacturer instructions and safe handling practices.