MAM Bibetta Bibs The Bibetta Ultra Bib is soft & friendly to wear & is uniquely made from neoprene which gives the bib the follopwing benefits: Waterproof Wipe clean Absorbent Flexible It is quick drying & washing machine/tumble drier proof & the unique reversible pocket also gives you a catch all bib option. MAM products have been developed in cooperation with ICMRS (International Children Medical Research Society).