exsited several types&size &red, yellow, white, pink and other different color,w/ or w/o flashing, all of this can be OEM. 1.existed different duck types and fifferent size,such as 5cm L*5cm W*5m H;8cm L*6cm W*6cm H.2.has several color,all of the duck type&size&printing logo are workable.3.w/ or w/o flashing,w/ or w/o a sounder,it is nit only can flashing ,but also can be sound when yu stress it. ...
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