Customers highly praise the product's appearance, noting its beautiful colors and how it significantly enhances their fire pits. The color aspect is frequently mentioned positively, with reviewers appreciating the accurate representation and vibrant hues. Many customers also find the product to be a good value for the price, considering it a worthwhile upgrade from traditional lava rocks. However, some customers have expressed disappointment with the size of the glass pieces, wishing they were larger. Opinions on the material are generally positive, with customers describing it as nice and great glass.