https://www.lovehoney.co.uk/product.cfm?p=17044
Been a regular in the toy box and good for both parties. Paired with these
https://www.lovehoney.co.uk/product.cfm?p=32783
if starting out, try
https://www.lovehoney.co.uk/product.cfm?p=30708
or practice with a dildo alone to get used to the sensation before moving up.