Spin Master Quelf

Borosilicate Glass Tubes Set (6 Colored + 2 Brushes), 3.9in - High Temp Resistant for Industrial & Craft Use

starfa lab 5 Pcs Borosilicate Glass Tube 4 Inch Thick Glass Blowing Tubes,2mm Wall Thickness,High Heat Resistance for Blowing,Lab,DIY,and Industrial

HONKID 5-Piece Borosilicate Glass Tubes for Blowing, Lab, DIY, and Industrial Use, 4 Inch (10 cm) Long,1.5mm Wall Thickness, Fire-Polished Ends, High Heat Resistance, Acid and Alkali Resistant

Glass Tubes 12 Piece, Reusable Glass Straws 4 Inch Long, OD 10 mm, Thickness 1.5 mm, Colorful Industrial Borosilicate Glass Tubing for Short Cup (10mm-4IN-Colorful)

Glass tubes 12 Piece, 8 Inch Long Borosilicate Glass Tubes OD 8 mm Thickness 1.5 mm Industrial Glass Tubing for Tall Cup (8mm / Clear)

Worldity 20 Pcs 8 Inch Long Glass Borosilicate Blowing Tubes, Industrial Clear Glasses Tubes for Glass Blowing 12mm OD, 8mm ID, 2mm Thick Wall with 4 Cleaning Brush for Laboratory Experiment

Glass Tubes 12 Piece, Reusable Glass Straws 12 Inch Long, OD 10 mm, Thickness 1.5 mm, Industrial Borosilicate Glass Tubing for Tall Cups (10mm-12IN-Clear)

Glass tubes 12 Piece, 8 Inch Long Borosilicate Glass Tubes OD 12 mm Thickness 1.5 mm Colorful Industrial Glass Tubing for Tall Cup (12mm / Multiple Colors)