This Mason Jar Vacuum Sealer Kit is a must - have for your kitchen! With dimensions of 8.26 in. L x 5.11 in. W x 2.36 in. H and a weight of 9.92 oz. it's compact and easy to handle. The kit includes a wide - mouth sealer, a regular - mouth sealer, hose connectors, a manual vacuum pump, a lid opener, and multiple mason jar lids. It offers both automatic and manual air extraction methods. The manual pump is perfect for those without a specific vacuum sealer and is portable for outdoor activities. The high - density ABS plastic construction is BPA - free, non - toxic, and odorless, and it can be easily cleaned. It creates an airtight seal on jars, keeping food fresh and preventing odors and moisture. Ideal for storing jams, chocolate sauce, rice, and more, it provides a convenient and safe storage solution for your daily life. Material: Acrylonitrile Butadiene Styrene (ABS).