Know what the number in the triangles mean? Recycling numbers? Clear labelling? Why not #makeitZERO plastic packaging? Plastic alternatives? ZERO Symbol designed by Jan Battem and Henk Seelt, Webwork Amsterdam. Beach Clean plastic trash is mostly broken up, worn down or tiny- how do we know which plastic to recycle? No.7 = OTHER = LANDFILL. Why don’t the supermarkets and producers lead?