Decorative Glass Gems and Sea Glass Mosser Lee's Glass Gems and Sea Glass are manufactured from high quality glass. The exceptional beauty and consistent size of the glass gems make them decorator essentials. The sea glass colors reflect the colors of the ocean with splashes of green, blue and clear. Hand packed in reusable plastic jars to insure high quality. These products are available in our online store. Use for terrariums, dish gardens, vase filler and fairy gardens.