GEM-inside 12mm Round Black Tourmaline Beads Strand 15 Inches Jewelry Making Beads Model:GM5191 The photo show many strands help you understand more detail in same size photo. Shipping Service:Usually package need 10-15 days. They are genuiue stone beads,Size and color may be a little different. Recommended buy from GEM-inside for better consistency. 14 Days Return for any reason.