Add-on bump is designed to keep you in place under acceleration for added control
Add-on bump comes with a self-adhesive backing for easy installation; just peal the backing paper and install to any seat foamno messy gluing
Foam material used in the SDG Add on bump is the same closed cell foam found in our entire seat product line-up
SDG closed-cell foam is water resistant, offers a more consistent density and longer foam life
