https://www.shoptheunderground.com/collections/classes 2026-10-08T15:09:18-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/79c6c6cef18e00d86d8a1143feffd1a4.jpg?v=1594149695 Workshops Workshops-The Glass Underground https://www.shoptheunderground.com/collections/olympic-kilns 2026-10-07T07:02:36-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/467e63415e243a3c29de0b3f126db5ca.jpg?v=1594149655 Olympic Kilns Olympic Kilns-The Glass Underground https://www.shoptheunderground.com/collections/bullseye-opals 2026-10-08T07:02:51-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/674cbdc9c8ea5504923e7792d848b92d.jpg?v=1622547877 3mm Opaque Sheet Glass 90 COE Opals-The Glass Underground https://www.shoptheunderground.com/collections/bullseye-glass-confetti 2026-09-20T07:02:43-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/008418_mini-mix08_1.jpg?v=1594149636 Confetti 90 COE Confetti - The Glass Underground https://www.shoptheunderground.com/collections/bullseye-glass-billets 2026-07-08T16:28:37-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/41c3ea40ecb7fd8cd9466ef0dddcc04f.jpg?v=1594149623 Billet 90 COE Billets-The Glass Underground https://www.shoptheunderground.com/collections/bullseye-glass-stringers 2026-10-08T07:02:52-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/cf5d9b5dd9809a5fabb845b3f4e863b8.jpg?v=1594149687 Stringers 90 COE Stringers-The Glass Underground https://www.shoptheunderground.com/collections/studio-supplies 2026-10-08T07:02:51-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/06fd632c4ba1eaaeb87c4fe81c74b3f5.jpg?v=1701960414 Studio Supplies https://www.shoptheunderground.com/collections/cold-working-equipment 2026-08-22T07:06:51-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/693f60fafd6b37ed0c9624b9c5109ceb.jpg?v=1612986759 Covington Machinery Cold Working Equipment-The Glass Underground https://www.shoptheunderground.com/collections/visiting-artist-workshops 2026-10-08T15:09:18-04:00 daily https://www.shoptheunderground.com/collections/intensives 2026-10-08T08:58:11-04:00 daily https://www.shoptheunderground.com/collections/display-stands 2026-10-01T15:30:31-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/660dde0cec73cbf1a082af2bd980c09d_259bbb11-992e-4a29-83d6-505a287cd213.jpg?v=1594149717 Display Stands Display Stands - The Glass Underground https://www.shoptheunderground.com/collections/clearance 2026-09-29T11:08:46-04:00 daily https://www.shoptheunderground.com/collections/findings 2026-10-01T07:02:47-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/67a43495d9049d197bc0a8e212788901.jpg?v=1594149722 Findings Findings-The Glass Underground https://www.shoptheunderground.com/collections/bullseye-tools-supplies 2026-10-08T07:02:51-04:00 daily https://www.shoptheunderground.com/collections/enamels 2026-09-26T07:02:51-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/b60bde397fafac953a0ce20f1fcdf7c9.jpg?v=1594149716 Enamels Enamels-The Glass Underground https://www.shoptheunderground.com/collections/holiday-collection 2026-10-07T07:02:36-04:00 daily https://www.shoptheunderground.com/collections/pre-cut-glass-circles 2026-10-08T07:02:51-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/df05b9aa1ddcf08ae3848459d8bc024e.jpg?v=1594149738 Pre-Cut Glass Circles 3mm 90 COE Pre-Cut Glass Circles-The Glass Underground https://www.shoptheunderground.com/collections/bullseye-glass-limited-and-rare 2026-10-08T14:24:37-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/4fe5b8dedd9d535016c319d127d2bbaf.jpg?v=1656333642 Limited and Rare 3mm 90 COE Limited and Rare-The Glass Underground https://www.shoptheunderground.com/collections/bullseye-glass-rods 2026-10-08T07:02:51-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/kilnforming_with_rod_1_19225b1a-e6f8-4d55-8643-c01d9d067c9f.jpg?v=1594149701 Bullseye Glass Rods 90 COE Bullseye Glass Rods - The Glass Underground https://www.shoptheunderground.com/collections/dichroic-glass 2026-10-08T07:02:51-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/7f766fa9d9175e0fbdcd34904eb96df4_09c50702-29b3-43aa-b5a6-b1004a02570a.jpg?v=1594149717 Dichroic Glass Dichroic Glass - The Glass Underground https://www.shoptheunderground.com/collections/cold-working-supplies 2026-10-08T07:02:51-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/Coldworking_1_7971afa5-e548-42ab-a9ef-a1a60dd896c1.png?v=1594149707 Cold Working Supplies Cold Working Supplies - The Glass Underground https://www.shoptheunderground.com/collections/opaque-small-circles 2026-10-03T07:04:13-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/FC122D52-4D88-4139-8752-50E98195BE45.jpg?v=1594149655 Opaque Small Circles Opaque Small Circles - The Glass Underground https://www.shoptheunderground.com/collections/transparent-small-circles 2026-10-05T07:02:59-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/B795D3B5-CFF5-4018-9550-A3BC06DBABA8.jpg?v=1594149687 Transparent Small Circles Transparent Small Circles - The Glass Underground https://www.shoptheunderground.com/collections/irid-small-circles 2026-09-30T07:02:48-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/1181E585-2F92-4364-9B9C-62CDC98E1F06.jpg?v=1594149649 Irid Small Circles Irid Small Circles - The Glass Underground https://www.shoptheunderground.com/collections/streaky-small-circles 2026-09-23T07:02:47-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/72C87245-5198-4049-B731-44B95374E380.jpg?v=1594149688 Streaky Small Circles Streaky Small Circles - The Glass Underground https://www.shoptheunderground.com/collections/stars-and-hearts 2026-10-07T07:02:37-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/6459E178-DC49-427B-9B60-4967A914F0E5.jpg?v=1594149696 Water Jet Cut Shapes Water Jet Cut Shapes - The Glass Underground https://www.shoptheunderground.com/collections/frit-blends-mixes 2026-10-08T07:02:52-04:00 daily https://www.shoptheunderground.com/collections/tekta 2026-10-08T07:02:51-04:00 daily https://www.shoptheunderground.com/collections/opal-samples-and-full-set 2026-10-06T07:03:06-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/b27a7755dd9bf7d8f5cd4434c2bccff7.jpg?v=1682614704 Opal Samples 3mm Opal Samples 3mm - 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Water Jet Cuts Nature - Water Jet Cuts - The Glass Underground https://www.shoptheunderground.com/collections/jewelry-findings 2026-09-16T07:03:12-04:00 daily https://www.shoptheunderground.com/collections/gold-glass-35 2026-10-08T07:02:51-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/IMG_0144.jpg?v=1729016582 Premium Glass https://www.shoptheunderground.com/collections/life-water-jet-cuts 2026-10-03T17:01:01-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/9774e1bc8a99c64173f03f70a64f9d72.jpg?v=1699393247 Life - Water Jet Cuts https://www.shoptheunderground.com/collections/wjc-and-mold-pairings 2026-10-05T07:02:59-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/Pairings.png?v=1703091914 WJC and Mold Pairings https://www.shoptheunderground.com/collections/sale 2026-10-06T09:22:04-04:00 daily https://www.shoptheunderground.com/collections/states-wjc-and-mold-pairings 2026-10-03T17:01:01-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/image3_3.png?v=1703627335 States WJC and Mold Pairings https://www.shoptheunderground.com/collections/ocean-wjc-and-mold-pairings 2026-10-05T07:02:59-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/image1_4.png?v=1703627333 Oceanic WJC and Mold Pairings https://www.shoptheunderground.com/collections/land-animals-wjc-and-mold-pairings 2026-10-03T17:01:09-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/image2_2.png?v=1703627332 Land Animals WJC and Mold Pairings https://www.shoptheunderground.com/collections/life-and-nature-wjc-and-mold-pairings 2026-10-04T07:02:56-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/image0_4.png?v=1703787369 Life and Nature WJC and Mold Pairings https://www.shoptheunderground.com/collections/stainless-steel-1 2026-09-24T07:02:40-04:00 daily https://cdn.shopify.com/s/files/1/0902/9952/collections/IMG_1879.webp?v=1730123171 Stainless Steel https://www.shoptheunderground.com/collections/used-kilns 2026-07-08T18:53:28-04:00 daily https://www.shoptheunderground.com/collections/kiln-accessories 2026-09-23T13:23:49-04:00 daily https://www.shoptheunderground.com/collections/transparent-glass-circles 2026-10-05T07:02:59-04:00 daily https://www.shoptheunderground.com/collections/lsg-circles 2026-10-01T07:02:48-04:00 daily