Simplicity
An ideal kitchen vacuum sealer should be simple enough to use. Since it is not a space ship and always in use, it should easily help to produce results the user wants with a few buttons push even better if it can do it in a single touch.

Hygiene
The aim of using vacuum sealer is to increase the lifetime of products and have safer and healthy nourishment. For that reason, periodical cleaning of vacuum sealer should be easy enough to maintain a safe and clean machine which guarantees healthy vacuuming.

Sealing process
The aim of vacuum sealer machine is to extend the use of foods in a healthy condition. It thus it should seal a package by vacuuming oxygen out of the package and eliminating freezer burn, preserving moist food that dries out, and eliminating bacteria that spoils food.

Working features
Multifunctional Vacuum sealer should have a hands free operation “ i.e. It should vacuum, seal and shut off automatically and should give a beep when the job is done. It should be versatile and should be used for different operations for which it should have an accessory port to connect the hose for using the canisters, bottle stoppers and universal lids.

Operation modes
Accessory Mode :To removes the optimal amount of air from canisters and other accessories. Vacuum Mode Switch: To control the setting for vacuum packaging in bags or accessories. It should have a full-sized vacuum channel that catches overflow liquid and fits any size food packer bags for maximum sealing.

Accessories
Standard accessories like Food Saver Roll, Food Saver Bags - Quart size, Food Saver Bags - Gallon size, Accessory Hose ,Sealing strip with Teflon Coating Round Canister 1 1/2 Quart-size , Universal Lid “ 4" Bottle Stopper should be available along with the appliance. The connectors and pipes provided should be of good quality.

Instructions for Use
Proper demonstration to be taken from the sales person regarding, operation of the vacuum Sealer. Since Vacuum Sealers require a little bit of skill to operate, it should have an Instruction Video, Quick Start Guide and Reference Guide along with it. Important Instructions and Cautions should be labeled on the device.

Counter Space
Counter space is an issue in a lot of kitchens. The vacuum sealer should ideally be large enough to handle the widest bag the user desires, but without taking up a lot of space. Space is saved if the vacuum sealer doesn't protrude more than an inch on either side of the sealer opening. Most uses would be served by bags 12" or fewer across. This would ensure accommodation of the 9" side of a 13"x9" pan.

Bags
Bags should vary from snack bags, to sandwich bags, to family side-dish bags and family entree bags. They should be double-layered for further protection from the freezer, and have an abraised surface area to allow for easy labeling with a permanent marker or ball-point pen. They should also be microwavable, so that frozen portions of food may be microwaved without fear of containminents or melting.

Cleaning
No matter how careful the vacuum sealer is operated, spills will occur, and a good vacuum sealer will be engineered to allow easy cleaning. If the hinge doesn't open at least 170° during normal operation, then the manufacturer needs to have included a release button on the back that will allow the hinge to open for cleaning.

Warranties After sales Support
Details regarding after sale service also has to be checked before buying.. Also make sure that spare parts are available with the vendor. Check the warranties. Vacuum sealers are fairly simple machines requiring very little mechanical maintenace..