HuanX35 Colorful Spring Spiral Wrist Coil Flexible Spiral Coil Wristband with Key Chain Label 15 set, Wrist Band Key Ring Chain Key Tag for Gym, Pool, ID Badege (15pcs) MATERIAL-EVA(Ethyleno Vinyl Acetale Copolymetr) spring ring,transparent hard PE(Poly Styrene) ID tag case and metal keychain. COLORS-5 colors(red,yellow,green,blue,white),3 sets for each color. FEATURES-Colorful,portable,lightweight,flexible,comfortable,convenient. APPLICATIONS-Use to hold keys,ID label,memory card,number tag,etc for outdoor activities,gym,swimming,surfing,sauna and so on. NECESSARY TOOLS-It's perfect tools for hotel rooms numbering,public lockers identifying,luggage recognition,pets naming,etc.