All our bambooskewer raw material selects from the most hard part of bamboo to ensure the skewers is very hard and not easy to break.Process by boiling, degreasing, antisepsis, anti-mildew, steam dried,cutting, polishing, sharpening, strictly select to ensure excellent bbq skewers.Diameter: 2.5,3.0,4.0,5.0,6.0mm available.Length:15cm-60cmPacking as customers requirement.