Multiple sizes, colors, and quantities: 8 sizes to choose from, a set of 16 pieces (random colors). Can seal snacks to various household frozen fruits and vegetables, and can be used in refrigerators and dishwashers. Moisture proof, leak proof and fresh-keeping: Isolate food items from external air, keep food fresh and crispy. Widely used: suitable for sealing popcorn, potato chips, candies, nuts, baked goods, grains, fresh and frozen foods, as well as pet food such as dogs and cats. Material safety: Made of brand new PP material, non-toxic and odorless, it will not cause harm to anyone or stored items. Wear resistant. Portable and easy to use: Fold the bag more than twice, then slide the sealing rod over the bag. Compact and lightweight, suitable for children to operate without scratching or pinching fingers.