Strapies by Mrs Ertha are made from 100% Silicone and are water resistant (no dip). They are practical and super easy to put on, their bracelet instantly molds to any wrist. They are available in 6 colors and are recommended from 3 years old to adulthood. The dial is removable, made of metal alloy and laser engraved. Seiko quartz PC21S movement made in Japan. A practical and fun accessory that can be used by the whole family.