Pack of x2 pairs of Invisible foot protectors from Lisca.Set of two pairs of snug foot protectors like slippers for comfort with every step you take. The durable sole is made of soft cotton, while the silicone band on the heel prevents slipping and provides a stable fit.Each pack contains two pairs of foot protectors in the same size. Size M fits shoe sizes 35 to 38. Size L fits shoe sizes 39 to 42.