Amazon.com: FUNSHOWCASE Oval Dome Cocktail Resin Ring Silicone Mold for Liquid Clay Crafting, Resin Epoxy, Jewelry Making Flat 17mm 16.6mm 16mm US Size 5-6 : Arts, Crafts & Sewing
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Amazon.com: 6 Pieces Silicone Anti Slip Ring Non-Skid Band Ring Soft Protection Sleeve 25 x 17 mm Bulb Glass Silicone Ring (Assorted Color) : Arts, Crafts & Sewing