User-agent: *
Disallow: /products.aspx?b=gstar
Disallow: /products.aspx?b=mens+puma+shoe
Disallow: /products.aspx?b=osiris
Disallow: /products.aspx?b=skechers
Disallow: /products.aspx?b=mens+vans+shoe
Allow: /

User-agent: Twiceler
Disallow: /

User-agent: dotbot
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: cityreview
Disallow: /

User-agent: Yandex
Disallow: /