Features: Stay warm and mobile with these arm sleeves featuring a half finger design, combining thermal insulation for smartphone use and daily tasks. Crafted from soft polyester, these arm sleeves offer skin friendly comfort while maintaining breathability and easy portability in any bag. Great for adults and teens seeking practical cold weather accessories, whether for outdoor adventures, office work, or cozy indoor relaxation. Perfect for chilly mornings jogging, keyboard typing in air conditioned spaces, or adding layered warmth under winter jackets during skiing. Upgrade your winter wardrobe with these arm warmers that seamlessly blend functionality and styles, serving as both thermal protectors and trendy layering pieces. Specifications: Component: Polyester Product Size: Approx. 37x10cm/14.56x3.93inch Color: 5 optional color as pictures shown Package Includes: 1PC Knitted Arm Sleeves note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item