If your order contains our gummies, please know that they do not contain preservatives and will react negatively in high heat. Do not leave your gummies in your mailbox or vehicle. Please understand that Moon Flower will not be responsible for the degradation of your gummies due to extreme temperatures. Please watch your tracking carefully. If this is an issue that you are worried about, please see our "Places That Sell Moon Flower" section to see what storefronts are carrying our products :)