Sort, collate, organize papers with ease. Durable, flexible material with unique friction ridges which increase hand performance and reduce muscle stress. Latex- and Silicone- free. Breathable, sweat-free and comfortable for long term use. Open top works well with long fingernails. Order ring size for best fit. Material(s): Thermoplastic Elastomers(TPE); Size Group: 3; X-Small; Open End Inside Diameter: 9/16 in; Color(s): Assorted.