A label material for use with water-based adhesives comprises a synthetic paper (2) having an upper surface and a lower surface. The synthetic paper includes a biaxially-oriented polymeric sheet (4) having a voided layer (10). A printable coating (6) is optionally provided on an upper surface of the polymeric sheet and an adhesive-receiving coating (8) is provided on a lower surface of the polymeric sheet. The polymeric sheet has a density of not more than 0.55g.cm-3. The adhesive-receiving coating includes a polymeric binder and an absorbent pigment and has a surface energy of at least 40 dyne. cm-1.