Product introduction: 
This Long Air Bag can be used to open lock by sliding it into the door and the weather stripping on the doorframe.

Material:
It is long durable products, made of the high strength material, with special soft board inside it.

Functions:
It can afford on the pressure of 200 kilograms and doesn't leak gas.

Be careful:
Don't inflate excessively when using!

If the air bag used during a long woking time status, it should be let the air out after the door proped up and then put the triangle block instead to continue the work.

From the date of purchase, we guarantee in the product quality on mending, replacing and refunding with condtiions.