Odor Proof & Stain Resistant: Our jar sealer is made of good quality food-grade materials, which is very safe and healthy, avoiding the growth of mold.Safe & Durable: Place this handheld vacuum sealer in the dishwasher, you can save your precious time and energy on cleaning. It won't be broken with durable materials.Easy to Use: Place a vacuum jar sealer over the canning jar, then connect the vacuum seal hose to it, next you can create a vacuum in the jar, convenient for usage.Airtight Food Storage: This mason jar sealer kit is better than other traditional non-vacuum storage for its vacuum effectiveness. Its ideal for sauce, mustard, grains, nuts and jam storage.Easy to Store: This vacuum jar sealer is small enough to store easily, which is reusable and affordable. You can use it to pump air out of the mason jars with a manual pump.Product Description:Great for sauces, mustards, and jamsOdor proof and stain resistantDishwasher safeEnvironmentally safeProduct Specification:Material: hard glue + siliconeManual vacuum machine size: 17*5cm/6.69*1.96inchesCap size: 0.3*6.5cm, 0.3*8cm/0.11*2.55inches, 0.3*3.14inchesCover size: 4*9.5cm, 4*8cm/1.57*3.74inches, 1.57*3.14inchesConnection tube size: length 60cm/23.62inchesCan opener size: length 5.5cm/2.16inchesApplicable: Suitable for food grade vacuum sealer, wide mouth and normal mouth crock vacuum sealer kit.Packing List:Manual vacuum machine*1Sealing cover*2Connecting pipe fittings*1Transfer takeover*1Bottle cap*4Can opener*1