General Application: Protects toes from blisters, rubbing, irritation and toenail loss. How it Works: Toe Caps serve as a cushion, preventing toe from having direct contact with inside of shoe. Absorbs stress to toe area. Design Theory: Toe Caps are made from custom grade silicone. This means they stretch to fit any toe and stay in place. Despite being soft and stretchable to provide comfort, they are firm enough to protect your toes during various activities. Sold in 4 packs- One size fits all.