Shipping amounts are estimates only. Once an order is pulled, packed and shipped, you will receive a final invoice, containing all the available products you have ordered with an accurate shipping and insurance amount. See also our Free Shipping Details.
The shipping address on your order must be accurate and up-to-date. If your order is submitted with an old or incorrect address, we cannot be responsible for its redelivery or replacement. Check all addresses and other contact information for accuracy before submitting an order.
Shipping by USPS in a Medium Flat Rate Box can only fit small orders and small items. The dimensions of the box are inside: 11-7/8" x 3-3/8" x 13-5/8" and outside: 12" x 3-1/2" x 14". If your order or some items will not fit in the USPS Flat Rate Box your shipping amount may change. Examples of items that will not fit include: borosilicate color and clear rod and tube, dichroic strips, cases, kilns, most torches and other items.
Items may be left in a shopping cart indefinitely if you are logged into your account. Prices are subject to change based on promotional sales and/or standard price changes. The pricing of items in your shopping cart may change prior to check out. NOTE: If you are NOT logged into your account, the items in your shopping cart will disappear when you leave our site.
Learn how to cancel or return an order or an item in our policy of Returns & Cancellations.
See what to do if you have a Damaged Package or Item.
Determine what do for Missing Shipments or Items.
Review how we protect your information in our Privacy Notice.
Find out what is required when shipping to another country see International Orders.
Buying Gift Certificates is easy, go to Gift Certificates.
Our open hours and holiday closures can be found by going to Hours & Holidays.
For information on navigating our website, how to do things on our website, where to find things on our website or more see our Website Tips.