This 8-inch Pyrex glass tubing comes with 10 tubes and 12mm OD thick straws, perfect for blowing glass art mosaics. Made in the United States, this high-quality glass is durable and long-lasting. The green color adds a pop of color to any craft project. Ideal for glass blowing enthusiasts, this Pyrex glass tubing is a must-have for any glass art and mosaic supply collection.