25pc Green Tubes and 50pc Plug Kit American Made Quality Spiral Wound Paper Tubes. These tubes also work great for 37mm projects. Tube Dimensions: 1" Inside Diameter 1-1/4" Outside Diameter 2-1/2" Long 1/8" ( Thick ) Wall Paper Plugs: 50pc 1" Color: Green 1 Quantity= 25 tubes and 50 plugs