Unopened sauce bottles. Capacity is approximately 6ml. Material is polyethylene (PE), and the heat resistance is 65°C. Cannot be used in a microwave or oven. - Quantity: 100 pieces - Colors: Clear/Red - Shape: Small Square (D) Shipping via Yu-Packet Post. If it doesn't fit in the post, it may be opened and placed in a flatter bag. Please be aware of this beforehand.