Material: Made of high quality metal, solid and durable for long-term use. Size: 6 sizes including 1.89 inches, 2.2 inches, 2.9 inches, 4 inches, 4.5 inches and 5 inches, comes with a clear bottle for easy storage and carrying. Set includes 18 pieces in 6 sizes to meet different project needs. Lightweight and thin design allows threading beads of various sizes easily. Flexible yet strong large eye accommodates different thread types. Suitable for all beading styles and helps complete bracelet making faster.