Set of 7 glass test tubes, including those made by IWAKI. 2 + 5 tubes total These have been stored at home. Perfect for flower vases, single-stem vases, handmade crafts, DIY projects, interior experiments, and crafts. Thank you. #test tubes #science #flower vase #handmade #interior #single-stem vase Approximately 15cm - 2 tubes, diameter 1.6cm Approximately 10.5cm - 5 tubes, diameter 1.2cm - Quantity: Set of 7 - Sizes: 2 long test tubes, 5 short test tubes - Material: Glass - Brand: IWAKI (smaller ones) Thank you for looking.