http://www.amazon.co.uk/gp/product/B0033XVJKG/ref=s9_simh_gw_p23_d0_i1?pf_rd_m=A3P5ROKL5A1OLE&pf_rd_s=center-2&pf_rd_r=0JMG2C32R


"Professional quality noise suppression plugs offering protection without muffling from the leaders of custom hearing defence
Sized for the smaller ear canals of women and children
Secure, comfortable fit
Sounds & voices not muffled
Flat response, 20db attenuation"

imho these should be essential purchases for all festival going families..

teach 'em to protect their hearing before they start toddling under and clambering up main stage PA stacks..