Product Description Waterproof Solar Powered Flashing cellphone strap with Image Inside, making your logo or advertise more attactive and motional. Good for your premiums, promotional gifts and collection. Special Features: 1)New technology; 2)Solar powered LCD; 3)No batteries needed; 4)Flash all the time in rooms or outdoor lights; 5)Waterproof, can use more than 10 years; 6)None scratch logos surface; 7)Your own design is available. Specifications: 1) Item dimensions: 35*18*8mm; 2) Image files requested; 3) Image size: 27*12mm; 4) Image resolution: 300dpi; 5) Image file format: PSD/TIF/EPS/BMP/AI/JPG. Packing 1)Packaging: PP bag ( standard) 2)Qty./ctn.: 1000 pcs 3)G./N.W.: 8.70 / 8.00kgs 4)Carton dimension: 46*22.5*39.5cm.