●✅ SOFT KRATON RUBBER - A high quality Kraton rubber compound is used to make the childrens safety handles. The synthetic kraton is not allergenic. ●✅ FREE FROM TOXIC SOLIFTERS: These childrens bike grips are phthalate, PAH, latex and rubber free. ●✅ NON-SLIP KIDS HANDLE FOR MAXIMUM SAFETY: Its secure waistband prevents slipping and hand injuries in case of side falls. ●✅ LENGTH: The bicycle grips for children have a length of 115/115 mm and thus allow a good grip. ●✅ DIAMETER: These grips can be used on handlebars with an outer diameter of 22 mm.