High Quality Materials: This wooden hourglass has been carefully selected with excellent wood materials and transparent, hard and durable high borosilicate glass, combined with multi-processed sand. The sand hourglass timer is of excellent quality, safe, non-toxic and healthy. It is very suitable for children to use and will not cause health harm to children. Delicate Appearance: This hour glass with sand is unique in shape and design style, and its cute and charming appearance is especially able to attract people's interest and attention. So you can use it as an object and place it anywhere in your home without it standing out. Its delicate appearance and unique styling make it a very versatile decorative item.