Gum tape cores: Approximately 4.5cm wide x 1 Approximately 5cm wide x 1 Double-sided tape cores: Approximately 1.5cm wide x 20 Approximately 2cm wide x 20 Plastic wrap core (hard): Approximately 22.7cm long x 1 Diameter: Approximately 2.5cm Paper wrap core: Approximately 22.5cm long x 1 Diameter: Approximately 3.5cm Toilet paper cores: Approximately 11cm long x 2 Diameter: Approximately 4cm The plastic wrap cores will be packaged inside the toilet paper cores (see photo 1).