- Size: 18/19 • Non-slip and quick-drying: the non-slip rubber sole is flexible and protects feet from rocks and stones. The thick rubber sole offers protection against hard or hot surfaces. • Stretchy and breathable fabrics: high elasticity and breathable fabric with strong absorption performance, quick-drying, and comfortable to wear. Outer material of neoprene and rubber, elastic and soft; inner material of polyester, breathable and comfortable. • Easy to put on and take off: elastic design on the top provides a comfortable fit, with a pull loop on the heel for easy use and removal. • Size measurement: measure your baby's foot size before buying and choose the correct size according to our size chart. • Multi-purpose shoes: ideal for water park, beach, swimming, pool, walking, running, fishing, yoga, and dancing. Perfect for family outings.