Small tile is usually what we call mosaics. It is best used in the bathroom – especially in white color – as it can get the space visually bigger and lighter (after all, not every bathroom has windows).
But on the photos below you will find not only mosaic but small tile of different shapes such as subway and square. The main criteria here are “small” and “white”. Mosaics is used on the walls and around bathtub while small tile of other forms is suitable for the floor and sink backsplash.
Anyway, possibilities are endless so you need to look through these ideas below to fin the one that will fit you. Small white bathroom tiles can be different in their shape and pattern and can also be used with additional décor elements such as borders.