Double-tube Whistle
Model No.: TW21S /TW21BK
Material: 304 Stainless Steel
Color: Silver (Satin) /Black (Black Titanium)
Size: 2.20″*0.79″*0.28″ (56*20*7mm)
Weight: 0.56 oz. (16g)
Accessories: Bead Chain*1 & Clasp*1