Each pack contains 2 ice vibe boots size full 2 cold packs 2 vibrating panels 2 batteries 1 battery charger 3 adapters for universal useusing the boots before you ride can assist you to prepare your horses legs for exercise in the stable they do this by increasing blood flow to the tendons and ligaments making them more elastic which can help reduce the risk of injuryit is important when looking after your horses legs to reduce soreness and swelling but encourage blood flow for healing