The glass funnel set is designed for storage and management. The durable glass material assures that the funnels are resistant to thermal shock and chemical corrosion, making them suitable for a wide range of laboratory applications. Features -Color:Transparent -Material:Glass -Size:15.50X9.00X9.00cm/6.09X3.54X3.54in -Size:13.00X7.50X7.50cm/5.11X2.95X2.95in -Size:10.00X6.00X6.00cm/3.93X2.36X2.36in -Size:7.00X4.00X4.00cm/2.75X1.57X1.57in -Manufactured using glass for exceptional durability, not easy to deform, practical. -Compact and lightweight design with short stems for easy carrying and usage. -Versatile application in various scientific experiments, including chemistry, biology, and medicine. -Professionally used in laboratories, with fine workmanship, making experiments simple and easy. -Lightweight and portable, simple appearance design, easy to use, with handle for comfortable grip. Package list: 20 x Laboratory Funnels(40mm, 60mm, 75mm, 90mm)