Amazon.com : Herlitz 798454 Postal Tubes 450 x 50 mm – Box with lid, Interior Dimensions: 430 mm 630 x 80 mm : Office Products
Amazon.com: Upgrade Smooth BiMetal Heatbreak All Metal Titanium Copper Thermal Barrel Tube Compatible with Sidewinder X1 X2, Original Kraken Chimera + Cyclops Plus Muti Color Hotend 3D Printer (Smooth Version) : Industrial
Amazon.com: Pustefix 2.35 oz Large Bubble Blowing Bottle Tube Toy for Kids (Colors may vary) : Toys & Games
Amazon.com: M. Graham & Co. Tube Watercolor Paint Landscape 5-Color Set, 1/2-Ounce