{"product_id":"ryukyu-glass-tumbler-domon-earth-crackle-with-cobalt-ribbon-by-niji-glass-studio-022-nj","title":"Ryukyu Glass Cup – Domon Earth Crackle with Cobalt Ribbon by Niji Glass Studio (022-NJ)","description":"\u003ch2\u003e① Product Description\u003c\/h2\u003e\n\u003cp\u003eThe moment I held this glass, I wanted to fill it with something cold.\u003c\/p\u003e\n\u003cp\u003eThis is Ryukyu Glass — Okinawa's beloved hand-blown glass craft, born from postwar resourcefulness when artisans melted down discarded bottles into something beautiful, and now one of the island's signature traditions alongside yachimun pottery. Light teal glass, mapped with a golden crackle running across the surface — that's domon, a signature Ryukyu Glass technique of Chūfuki Glass Kōbo Niji in Yomitan Village. Domon literally means \"earth pattern\": Okinawan coral earth is fused into molten glass, leaving those beautiful golden cracks behind. A ribbon of cobalt blue wraps the body and pulls the whole piece together. The shape is organic, sculptural — there's no wrong angle.\u003c\/p\u003e\n\u003cp\u003eThis piece was hand-blown by Teruya Hiroumi, one of the studio's craftsmen. Niji was founded in 1988 by master glassblower Seikichi Inamine, later designated a \"Contemporary Master Craftsman\" by the Japanese government. When other glassmakers dismissed air bubbles as defects, he made them the soul of the glass — and invented Awa Glass, a style entirely his own. Domon is one of the studio's most treasured techniques.\u003c\/p\u003e\n\u003cp\u003eTeruya-san told me what he holds on to while he works: \"When someone picks up one of my pieces, I want them to think — I'm so glad I found this. I want to come back.\"\u003c\/p\u003e\n\u003cp\u003ePour in cold pineapple juice. White wine. Sparkling water. Drop in ice — and watch the golden domon glow.\u003c\/p\u003e\n\u003ch2\u003e② Dimensions \u0026amp; Weight\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeight: 3.8 in (9.7 cm)\u003c\/li\u003e\n\u003cli\u003eWidth \/ Diameter: 3.3 in (8.5 cm)\u003c\/li\u003e\n\u003cli\u003eDepth: 3.3 in (8.5 cm)\u003c\/li\u003e\n\u003cli\u003eWeight: 9.0 oz (254.1 g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e③ Capacity\u003c\/h2\u003e\n\u003cp\u003e12.1 fl oz (358 ml).\u003c\/p\u003e\n\u003ch2\u003e④ Materials\u003c\/h2\u003e\n\u003cp\u003eHand-blown Ryukyu Glass (琉球ガラス) fused with Okinawan coral earth in the domon technique, which creates the signature golden crackle. A ribbon of cobalt-blue glass is applied to the body during blowing. Made of lead-free glass as confirmed by the artisan.\u003c\/p\u003e\n\u003ch2\u003e⑤ Origin\u003c\/h2\u003e\n\u003cp\u003eA Ryukyu Glass piece hand-blown in Yomitan Village, Okinawa, Japan by Teruya Hiroumi at Chūfuki Glass Kōbo Niji — a studio founded in 1988 by Contemporary Master Craftsman Seikichi Inamine.\u003c\/p\u003e\n\u003ch2\u003e⑥ Handmade Note\u003c\/h2\u003e\n\u003cp\u003eEach piece is one-of-a-kind. Slight variations in color, bubbles, texture, and size are a natural part of the hand-blowing process — and part of its charm.\u003c\/p\u003e\n\u003ch2\u003e⑦ Care Instructions\u003c\/h2\u003e\n\u003cp\u003eHand wash only with mild soap and a soft cloth. Not microwave safe. Not dishwasher safe. Avoid sudden temperature changes — never pour boiling liquid or place in a freezer. Hand-blown Ryukyu Glass is more delicate than mass-produced glassware; handle with care.\u003c\/p\u003e\n\u003ch2\u003e⑧ Food Safe Statement\u003c\/h2\u003e\n\u003cp\u003eMade of lead-free glass as confirmed by the artisan. Third-party laboratory certification is in progress. This product currently includes a Prop 65 warning out of an abundance of caution while certification is pending.\u003c\/p\u003e\n\u003ch2\u003e⑨ Prop 65 Warning\u003c\/h2\u003e\n\u003cp\u003e⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"http:\/\/www.P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003e⑩ Shipping Note\u003c\/h2\u003e\n\u003cp\u003eFragile item — packaged with great care to ensure safe delivery. Ships from San Francisco, CA.\u003c\/p\u003e\n\u003cp\u003e\u003c!-- notionvc: f7870b5d-40c2-452c-9f3a-94ef8697febf --\u003e\u003c\/p\u003e","brand":"T-UNDER OKINAWA","offers":[{"title":"Default Title","offer_id":43019081678925,"sku":"022-NJ","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/9301\/2045\/files\/022-NJ-1.jpg?v=1778862523","url":"https:\/\/t-under.com\/products\/ryukyu-glass-tumbler-domon-earth-crackle-with-cobalt-ribbon-by-niji-glass-studio-022-nj","provider":"T-UNDER OKINAWA","version":"1.0","type":"link"}