This arm sleeve is made of polyester,soft,washable and durable.High elasticity,fast dry materials for excellent cooling effect.Breathable and comfortable to wear in summer. Protect your arm from UV rays while driving or cycling.Available in custom logo.Boost your brand when you give out this cooling arm sleeve to customers! Measuring 3*4*14 inches, this custom custom cooling arm sleeve with thumb loop holder. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Portable, durable, practical for daily use.