✤ Plastic wrap cores → 5 pieces Diameter: Approximately 3 cm Length: 22.5 cm ✤ Paper tubes with plastic lids fitted on both ends. Paper tube diameter: 4 cm Height: 3 cm Plastic lid diameter: 5 cm Hole in the center: 1 cm diameter These could be used for crafts, such as wheels for toy cars. They are well-made, so I didn't throw them away. There are 15 pieces. Thank you for looking.