Aluminum alloy custom football sports whistle metalItem name: Manual sports referee metal whistle keychain Materials: plastic,metalSpecification: 4.7*3.1cmTechnology: Mold can be engraved, laser carving LOGO.Functions: Outdoor sports whistle, whistle and sports activities and can be used in promotional purposesLogo: silk printing, colorfull printingDesign: following by customerMOQ: 1000pcsSample time: 5 daysSample fee: depends on logo colorsLead time: 15 daysPacking: 1pcs/poly bag, 100pcs/poly bag, 1000pcs/cartonShipping: by UPS/DHL(air) freight, or seaPayment: TT, Western Union, Paypa