The Dolfin boxes have high performances in waterproof, dustproof & shockproof capabilities, and are applied to protect your cellphone, watch, jewelry, MP3 and all valuables and confidential articles when you are in outdoor exercises or on journey. name Dolfin Box number D5010-Y material PC & ABS+ 5% GF color yellow dimension 138mm* 100mm* 40mm we offer logo printing. MOQ: 500PCS