These are 1/4"-3/4"long. We ship silkworms with 2-3 days worth of food. If you plan on growing out your silkworms past 2 days, you will need to order more food. If you receive dead silkworms you must contact us within 24 hours upon receiving your order
Medium Silkworms
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FedEx Ground:
Orders placed Monday through Wednesday will ship the next business day.
Orders placed Thursday through Sunday will be shipped on Monday.
FedEx 2 Day:
Orders Placed Monday through Thursday will ship the next business day.
Orders placed Friday through Sunday will be shipped on Monday.
FedEx Overnight:
Orders Placed Monday through Thursday will ship the next business day.
Orders placed Friday through Sunday will be shipped on Monday.