Material: Windchime parts wind chime tubes for crafts is made of aluminum alloy.wind chime string is made of nylon,The of the wind chime tube is oxidized, which can be bright as new for a long time without rusting Size: Wind chime supplies wind chimes tubes have 5 different length 18pieces x 2.75 inch ,18pieces x 3.25inch, 18pieces x 3.55inch, 18pieces x 4inch , 18pieces x 4.55inch.The length of wind chimes string is 100 yards Color: The color of wind chimes supplies tube wind chimes is silver (it be very beautiful on the sun), and the color of wind chime string is transparent and colorless. Wind chime parts kit contains 90 wind chime tubes, (windchime tubes 5 Different Length).wind chime string 100 yards. Application:wind chimes parts and wind chime tubes bulk can made chimes for wind chimes,diy wind chime gift,diy wind chime craft kit for , DIY windchime,wind chime sail replacement part,wind chime string ,wind chime diy arts and crafts,crafts for adults