Instructions:I just received this offer
Free Laptop Bag
Free USB Optical Mouse
Free USB Flexible Travel Light
To claim the gift use code 1D-70990 with an order online or on telephone orders over £39 ex VAT in the next 3 weeks.
When shopping online enter the promotional code in the "Promotional offers" bos in your shopping basket. Limited to one gift per order while stocks last. - Not available in-stores
They have other Gift offers for orders over £39 ex VAT here http://www.staples.co.uk/eng/static/wrapper.asp?param=staples_gift_bonanza.html