General description Vacuum jar sealers are versatile tools suitable for both regular and wide mouth jars and cans. This kit allows you to easily remove air from jars using a hand pump, ensuring a tight seal for extended food storage. Made from food-grade silicone and plastic, the vacuum tank sealer kit is safe, soft, flexible, unbreakable, and easy to clean, making it a great kitchen helper for preserving food. Technical specifications Material: Food-grade silicone and plastic Package Contents: 4 x Removable Covers, 1 x Air Pump, 2 x Sealing Covers, 1 x Hose, 1 x Can Opener Measurement allowed error: +/- 1-3 cm Other information Color may vary slightly due to light reflection and different displays.