Handheld sealers are compact devices used to seal bags and packages quickly and efficiently. They work by applying heat to the edges of plastic bags, creating an airtight seal that helps preserve food and protect items from moisture and contamination. These sealers are popular in kitchens and for packaging small items for storage or shipping. These devices come in various styles, including heat sealers and vacuum sealers, each designed for specific sealing needs. Handheld sealers are user-friendly, making them accessible for both home and commercial use. They are especially useful for reducing food waste and extending the shelf life of perishable items.