These high quality cardboard cores are made in America with 95% recycled materials. They have a rigid 1/8" thick wall and can be used for various applications including label rewind and arts & crafts. These 1" inner diameter cores are available in the following widths: 1.125" (100 Cores per case) 1.25" (100 Cores per case) 1.5" (100 Cores per case) 2.125" (100 Cores per case) 2.25" (100 Cores per case) 2.375" (100 Cores per case) 2.625 (100 Cores per case) 3.125" (100 Cores per case) 4.125" (50 Cores per case)