All products are shipped from Cambridge twice per week via USPS. HSC products are shipped via USPS First Class Mail and most other goods are shipped USPS Priority Mail. Once your order is packaged for shipment you will receive shipping confirmation via email with USPS tracking number and estimated delivery date. The average transit time is 2–5 business days. Please allow up to 48 hours for USPS tracking codes to activate after you have received shipping confirmation from us. If your order includes multiple products, your order will be held until all items are ready and will be shipped together.


We do not ship outside the US just yet. On the rare occasion that International shipping is offered; customers outside the US may be subject to import taxes, customs duties, and other fees upon the shipment's arrival in your country. These charges must be paid by the recipient. We are unable to advise or estimate specific customs and tax regulations in each country, as customs policies vary from country to country.


In the case that the mailing service is unable to deliver a package due to an incorrect address entered by the customer, the customer’s refusal to pay duties, multiple failed attempts to reach the customer at point of delivery, or otherwise, HSC is not responsible for payment of return shipping costs levied by the courier. Similarly, HSC is not responsible for the payment of re-shipping merchandise to the customer. In cases such as these, the customer is responsible for all shipping costs associated with returned packages due to failed delivery. Last updated November 20, 2020.