2Pcs 2 Styles Silicone Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Jewelry Making, Square & Semi-sphere, WhiteSize: Square Silicone Molds: 96x96.5x32mm, inner diameter: 67.5x66mm, 1pc; Semi-sphere Silicone Molds: 109x28.5mm, inner diameter: 92.5mm, 1pc.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.