Creativelife Arm Sleeves UV Sun Protective Arm Compression Cover Warmer Cooler 1 pair for Child Black 1 Pair/Set, UV Protection; 998-Percent, High Tech 3D Weaving Design Cooler than Bare Skin Perfect for All Outdoor and Indoor Activities even Work-space About 10.6" long, 2.4" width,Recommended for children under 8 years Stretchy, Fast Dry materials for excellent cooling effect Newly Upgraded; No Needlework Inside and Knit Finishing-Extreamly Comfortable