Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you! ANTI-SLIP : The Outer Layer Of This Bottle And Jar Opener Tool Is Made Of Durable Pp Material & Its Unique Design Provides The Firm Grip And Prevents Objects From Sliding Even With Wet Hands, That's Why We Can Call It Master opener Adjustable Jar & Bottle Opener. ENHANCE GRIP: The Soft Rubber In The Inner Layer Of Jar Opening Tool Will Fit The Lid Tightly, Enhancing The Strength And Stability To Open The Lid. Opener Can Be Operated By One Hand. MULTI BOTTLE OPENER: All In One Opener Quickly And Easily Help You Open 4 Different Sizes Of Bottle Or Jar. Suitable For Open Sesame Gadget From Size 2-8.5cm/0.8~3. EASY TO USE: Place The Jar Opener On The Lid , Grip It, Then Turn Bottle Openers For Arthritic Hands Around & Open It. That's Why It know as Lid Opener For Jars. PRACTICAL TOOLS: This Open Sesame Jar Opener Is Perfect For Children, Elderly Arthritic & Even Suitable For Everybodys Daily Use. Can Openers For Arthritic Hands Easily And Effortlessly Works & Also A Great Gifts For People With Arthritis Problem.