Saltwater Sandal Sun San Sweetheart Pink Little Trooper Limited Sun San Sweetheart Sandal Posh Tots Children's Boutique Sun San Sweetheart Sandal Salt Water Sandals by Hoy Sun San Sweetheart Sandal Nordstrom Salt Water Sandals by Hoy Shoes Sunsan Sweetheart Toddler Girls Hot. The Sun San Sweetheart is a pretty sandal with heart shape cutouts and scalloped edges. Its fully adjustable with a buckled toe and ankle straps. As seen on many celebrities kids, the Sweetheart is a popular choice. The combination of comfort, durability and fashion make these a wear anywhere sandal. To care for your sandals, simply hand wash them with a gentle detergent and cool water and leave to air dry. Do not leave in direct sunlight. Once dry, always store your sandals at room temperature. Avoid warm, high humid areas, such as the attic. Sun San Toddler Size Chart Sun San Size US Size UK Size EU Size Foot Length (cm) 5 5 4 20 21 13 6 6 5 22 14 7 7 6 23 14. 5 8 8 7 24 15. 5 9 9 8 25 16. 5 10 10 9 26 27 17