These Terms and Conditions of Sale apply to the purchase and sale of products through (referred to as the “Website”).  By placing an order for products, you agree to be bound by and accept these terms and conditions.  These terms and conditions are subject to change by Mast Brothers Inc. ("MAST") without prior written notice at any time, in our sole discretion. If at any time you do not agree to the terms and conditions, please do not use this Website and refrain from purchasing from us.


Terms of payment are within our sole discretion and, unless otherwise agreed by us in writing, payment must be received by us prior to our acceptance of an order.  We accept most major credit cards for purchases.  You represent and warrant that (i) the credit card information you supply to us is true, correct and complete, (ii) charges incurred by you will be honored by your credit card company, and (iii) you will pay charges incurred by you at the posted prices, including all applicable taxes, if any.  Purchase orders from businesses may be accepted upon credit approval of  and payable on terms set for your account or such other terms as we may approve or require.  All applicable sales taxes will be added in addition to the purchase price for any products purchased. Charges for shipping and handling will be made in accordance with our then-current shipping policies, as described below.


USA: MAST offers a flat $15 shipping fee for orders shipped to the continental US, Hawaii and Alaska. Orders $75 or greater qualify for free shipping.  Orders will be delivered 1-3 days after being shipped, depending on your location.  Next day and Priority delivery is also available. UPS will calculate these prices at checkout. Mast Brothers does not ship to PO Boxes or APO addresses.  

Canada: MAST offers two flat economy shipping rates to Canada: $15 for orders of $75 or greater and $30 for orders under $75.  Orders will be delivered 2-4 days after being shipped, depending on your location. We also offer rates calculated by UPS.  MAST does not prepay duties and taxes, which will be your responsibility. You should pay duties and taxes promptly to UPS to assure timely delivery.

During summer months and when temperatures are above 75 degrees Fahrenheit in New York or at the destination, the shipment will be subject to a $5 warm-weather fee. Warm weather packaging consists of an insulated container and reusable frozen gel-packs. This special packaging will keep your product cool for 48 hours or more.

MAST does not ship orders on Fridays.

MAST reserves the right to determine if special shipping and handling fees will apply to your order and you agree to pay all such fees based on MAST’s determination of weather conditions and other shipping conditions that might affect our products.


To return products, you must e-mail our Returns Department at to obtain a Return Authorization (RA) number before shipping your product.  NO returns of any type will be accepted without an RA number.  For faster service, please include the following information when emailing for an RA number: customer name, invoice or order number, and nature of the problem.  To expedite the processing of your refund or credit, we ask that products be returned within 5 days of the date that we issue the RA.  


MAST takes the utmost care and concern for your privacy while you are shopping on our Website. MAST does not sell or share any personal information gathered from our Website. In order to process orders we need to obtain certain information such as your name, shipping and billing information, phone number, email and credit card information. Transactions on our Website are secured and our Website does not store your credit card information.

We use customer information in an effort to improve your shopping experience and to communicate with you about our products, services, promotions and contests. We may also use this information to make offers to you, to help us target specific products and services to you, and to help us develop and improve our Website and stores and tailor our Website and stores to your interests.

Any Personal Information collected by us in the European Union (“EU”) countries and transferred to the United States is subject to EU Data Directive 95/46/EC on the Protection of Individuals with regard to the Processing of Personal Data (the “EU Data Directive”).