Elastic Anti Static Adjustable Wrist Band Anti-static Bracelets Antistatic Grounding Cord ESD Wrist Strap
 
This wrist band and cord set features a 360 degrees conductive contact around the wrist, providing maximum skin contact 
The polyurethane coil insulation offers excellent coil memory 
Uses hypoallergenic silver-plated nylon thread for conductivity and has a maximum resistance of 160 ohms

Physical characteristics: 
Fabric: polyester with silver plated nylon 
Resistance: 100 ohms typical 
Contact: 360 degrees around wrist 
Snap: 10mm 
Snap release: 1 to 5 pounds 
Back plate: stainless steel 

Test methods: 
ESDA S1.1 EIA 625, MIL-STD-1686, and MIL-HDBK-263