80 pieces, a bulk sale. Diameter: Approximately 3 cm (inner diameter approximately 26mm) Length: Approximately 45.5 cm These are for commercial use, so they are sturdy. You could probably make shelves or chairs with these. This summer: For keeping your children occupied... For those looking after their grandchildren... Wondering what fun things you can do? Instant and silent purchase is welcome! Sorry, no individual price reductions. Shorter-sized cores are also available. #Gymnastics #Events #Recreation #Commercial Wrap Cores #Handmade Toys #Materials #Craft Materials