Tumbled glass pieces are easy to use, versatile and vibrant in colour. Made from recycled glass, they are extremely durable and can be used both indoors and out. They are a great way to add texture and colour to a mosaic. There are no sharp edges and no cutting is required. This product is sold in packets of 100 gms and covers and area of approximately 10 x15 cm's (depending on the spacing of the pieces). The size of the pieces varies but as a guide they are generally 1/2 to cm.