Specifications: Perfect for outdoor sport likes golf, hiking. Energy saves, no batteries required. Save our earth, use green power solar energy, and turn the fan on. Can be adjusted to different head sizes. Suitable for: traveling, fishing, climbing, playing golf, gathering at the plaza, watching the drama, watching the ball game,s and other outdoor activities. Type: Solar Power Fan Cap Style: Casual Gender: Unisex Cap Material: Cotton Size: One Size Fits Most Features: Fan Design, Hot Summer Supplies, Solar Powered Size: 30cm x 20cm x 12cm/11.81" x 7.87" x 4.72" (Approx.) Note: Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Solar Power Fan Cap