Estone Propalm Bicycle Sponge Soft Grips Set Folding Bike Handlebar Anti-Skid Set New Sponge, no smell, anti-bacteria, strong wear-ability. Double-opening design easily to install sub-handle. Soft hand-feeling. Absorb shock and vibration. High quality sponge foam rubber handlebar grip. Hexangular shape, anti-skid design.