Jeacent Anti-Vibration Pads Rubber Isolator Pads Shock Absorber,4 Pack Optimize the safety of your machines unit installation with the sturdy heavy-duty rubber vibration isolation feet mount pad. Specifications Material: Composite natural rubber with RHET805 craft Weight: 315g(4pcs) Color: Black Size(Approx): 4" x 2" x 3/4" Package Content: 4pcs Rubber Vibration Isolator Pads Features -The rubber isolator pads is using cutting edge polymer technology meet and exceed OEM specifications -Composite material with natural rubber by innovative synthesis provide maximum dampening effect -They absorb vibrations caused by appliances, reduces noise and structural damage caused by these vibrations -Adapt to many kinds of engine make machine more stable supports dynamic performance and stability Attention - All pads are made of rubber, new industrial strength rubber has a smell that can goes away after a few weeks - Use soap and water not cleaning agent to accelerate odor elimination