Description Are you looking for a professional, yet affordable laboratory flask ring? If yes, look no further! Adoption of premium material, sturdy and durable for long-term use. Our multi-functional flask ring is your nice choice, suitable for laboratory and school, not easy to break and wear. Features - Color: Blue. - Material: Iron, plastic. - Size: 8.50X8.50X2.00cm/3.34X3.34X0.79inch. - The product can effectively play the role of the Erlenmeyer flask counterweight. - It is simple in design, but very practical in use, which brings great convenience to you. - Cost-effective, you can buy this practical product at an . - Fine workmanship and creative appearance ensure its popularity and practicality. - It is a good choice as a gift for your kids at school if they do experiments in laboratory. The product can effectively play the role of the Erlenmeyer flask counterweight. It is simple in design, but very practical in use, which brings great convenience to you. Cost-effective, you can buy this practical product at an . Fine workmanship and creative appearance ensure its popularity and practicality. It is a good choice as a gift for your kids at school if they do experiments in laboratory.