500 Live Medium (1/2") Crickets (acheta domesticus)(Brown Crickets) Before clicking ADD TO CART, make sure it says (Ships from and sold by VM Feeders) other vendors use our listing to sell. To find us, look under "Other Sellers on Amazon". Crickets are shipped via USPS Priority Mail, which means they will take 2 to 3 business days to arrive but can take longer on occasion. Over 80 degrees and under 40 degrees you must have them held at post office for live arrival guarantee. send us your telephone number with order ,We reserve the right to have any order held at post office If you do not have it held so that you order has a much better chance of arriving alive Heat packs are provided free of charge in winter Photo of any issues with order must be provided for any and all reasons.