Don't let blisters ruin your day!Our Shoemergency Kit helps prevent blisters ever forming with its Back of Heel Cushions, Ball of Foot Cushions, and Blister Preventer Balm. And should a blister start to form, Blister Healers will help you deal with it effectively.The Shoemergency Kit contains:Ball of Foot Cushions: one pair to keep feet from sliding forward and absorb shock (made from Poron)Back of Heel Cushions: one pair to fix shoe fit issues and prevent heels from slipping out of shoes (made from Poron)Blister Preventer: forming an invisible barrier to reduce rubbing and irritation (contains beeswax)Blister Healers: provide instant pain relief and helps heal existing blisters (hydrocolloid dressing) About the TechnologyPORON® provides superior shock absorption that never goes flat. This lightweight, breathable material keeps your feet cool, dry, and comfortable with every step..