1. Food-grade flexible TPR material,cool shape like heart,arrow 2. FDA,LFGB approved, dishwasher-safe, all colors are available ... your requirement 5. Serve the coolest drinks around ice like heart and arrow.6. Just fill this food-grade flexible ice cube ... juice,and freeze. 7. Use them as a party piece,an icebreaker,or simply to keep your drink cold.