Mainstays 3 in one Flexible Jar & Bottle Cap Opener Cone Flat Durable Strong Rubber Black Cone: 3.75" Diameter x 1.75" Deep; White Circle: 4.75" Diameter; Black Square: 5" Long x 5" Wide Flexible Grips Open A Variety Of Jar & Bottle Sizes; Cone Grip Opens Smaller Bottles & Jar Flat Grips Open Larger Jars & Bottles