- 100% Rubber - CAMILLA Printed - Contrast Toe Rubber - Crystals/Stud - CAMILLA Logo Our Sweet Sacre Bleu Thongs are the essence of off-duty ease, elevated by a contrast toe strap, CAMILLA logo and crystal stud work. Inspired by the ornate interiors of Le Train Bleu, in the print a deep blue landscape is overlaid by gilded Belle Epoque detailing.