Pack, Protect, Seal, Support. Farrier's Choice Professional Pack-Seal Blend is an All-in-one fast curing urethane based adhesive designed to cushion the hoof. 30 Second set time Pad/Packing Synthetic Urethane that will bond with the sole and frog Use with a pad is optional Provides cushion that will adsorb shock on any surface Improves depth of sole No Mess & Easy Application Resealable nose