YOUCCO Best Freezable Rectangular Reusable Snack Bags 210803 Company - YOUCCO,Professional sales service teamThis Freezable Rectangular Reusable Snack Bags have groundbreaking cooling technology inside. Freezable gel is permanently built into the bag, so you will never waste money on separate ice packs or gel packs again! Simply collapse flat and freeze in the freezer overnight. It can keep your snacks, fruit, drinks cool up to 10 hours. Just take it where you go !