Yes I use EBpackaging for my cardboard Envelopes about $24 for 50 cheaper if you buy more.. Bubble wrap I usulaay get from Officeworks 3 x 25 metre roles by 375mm wide for $30 Padded Envelopes oz3cplaza Doesnt have a store but very reliable 50 for $13 They are 180 by 150 mm larger sizes might be available..

Paddy