16X150mm Glass Test Tubes with Rubber Stoppers, Karter Scientific 201B5 (Pack of 10)

The 16X150mm Glass Test Tubes with Rubber Stoppers by Karter Scientific are a cost-effective option for those in need of glass test tubes. The thickness of the glass is well-regarded, providing durability and reliability for basic scientific experiments. One reviewer expressed satisfaction with the product, stating that the tubes arrived in perfect condition and were suitable for their in-home science project. They also highlighted that the set of 10 tubes exceeded their expectations for the price paid. The rubber stoppers were appreciated for providing a secure closure, keeping their items fresh. However, there were some drawbacks mentioned by other customers. One reviewer noted that the corks had an unpleasant smell, while another received a cracked tube. Additionally, some customers found the glass to be thin and brittle. These individuals reported that the tops of the tubes broke when moderate pressure was applied to insert the stopper. Even when handled with care, a significant number of tubes broke, resulting in a poor experience. In summary, the 16X150mm Glass Test Tubes with Rubber Stoppers from Karter Scientific offer good value for the money, with thick and durable glass. However, potential buyers should be cautious about the thin and fragile nature of the glass, as well as the unpleasant smell of the rubber stoppers.