US combined shipping using USPS Priority Flat Rate Envelopes ($5.65...about 3.5 lbs of grubs) or Medium Flat Rate boxes ($12.00..up to 20 lbs of grubs) are available to all US addresses. International shipping by Priority Mail up to 3.75 lbs $15.95 to Canada and Mexico and $16.95 else where if your country accepts USPS Priority Mail. There is also an international flat rate box which will hold up to 20 lbs for $33.00 (Canada and Mexico) and $48.00 elsewhere.