?100% Customer Satisfaction Guarantee?: This package comes in three colors: black (2 pairs), beige (2pairs), and transparent (2 pairs). If you (our esteemed customers) feel like you don’t see the value of our products, we will replace them or give you a full and no-questions asked refund. ?Self-adhesive Back?: Our ball of foot cushions is designed with a strong sticky back to fix to your shoes, which makes them stay in position all day long. They are washable and reusable. If they are not sticky enough, please wash them with warm water, let them dry, and you can use them again. ?One Size Fits All?: These shoe pads fit all feet sizes and best for high heels, flats, sandals, and sneakers. Before you use them, make sure clean the shoes first, then simply peel off the adhesive tape from the pad, and stick the pads to the sole of the shoes. Once you place them into your shoes, they will safely stick to your shoes. ?Medical-Grade Gel?: The metatarsal pads are made of durable and soft medical-grade silicone gel. This material provides gentle softness, great support, and strong cushioning, which makes them comfortable for those who suffer from foot pain. The outer-layer (black and beige) has the function of absorbing sweat. ?Foot Pain Relief?: The ergonomic design of our ball of foot cushions effectively reduces pressure on metatarsal bones and relieves forefoot pain from Mortons Neuroma, Callus, Plantar Fasciitis, and Bunions. And the super soft gel pads provide great cushioning, absorb forefoot shock, and keep your feet in position and prevents your foot from sliding forward.