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, that cures soft and stay soft. 30 second set time Soft Pad/Packing Synthetic Remains soft once cured Same strong bond as the Pack-Seal Blend Essential for thin soles and deep commissures Use of pad optional Provides cushion that will adsorb shock on any surface No Mess & Easy Application Resealable nose