The dome-shaped better living Jar Opener is designed to fit comfortably in the palm of the hand.Effective for opening screw-top jars, including child resistant and tamper-proof lids.Constructed from soft flexible rubber, this lightweight device has a ridged interior to ensure a secure grip on even the smoothest of surfaces.Work on jar lids with a diameter of up to 75 mm.Ideal for people with arthritis, or those with limited hand strength or mobility.