... promotional boston shaker 2.180ML, 250ML, 450ML, 550ML, 750ML available 3. Food-safety PS material Hot promotional shaker cup, plastic ... customer requested brands.3. Artwork design around the shaker cup4. Any color availableProduct Specification: 1. Material: PS2. Dia.68*48mm* ... durable, tough, it will not broken easily,100% leak proofed3)Logo Print: Printing with scale, customized logo by silk screen, ...