Product is for adults 18 and over only - Shubandit co. has and makes the latest newest stronger non slip walking bottoms , new vinyl logo that you can customize with any sticker and new heel strap (Revamped stronger better fitting)tracking numbers from Shubandit Inc. These Are The Latest Shifter Skinz with Stronger bottoms and top shift pad shoe boot protectors just revamped even better now - only one is needed per motorcycle rider since there is only one gear shifter on the left side, Thanks. The Skinz feature New non slip bottom rubber Sleeves to protect the elastic straps on bottom + New stronger Heel Strap To Keep The Shoe and Boot Protector In Place At All Times. Quality Satisfaction Guarantee. The only product to fully do the job guaranteed !!!