I am sure that the product that arrived today is fine. I have yet to use it. However your delivery information service leaves a lot to be desired. In the last e-mail I received from the company I was advised that I had selected 3-5 day delivery. Probably correct. I ordered the product on a Bank Holiday Monday. I was therefore surprised to receive notice that it would be delivered the following day, Tuesday, between 8am and 6pm. The carrier was not mentioned. Stayed in all day - no delivery. After complaint advised that 'it was posted 1st class signed for..It should be out for delivery today with Royal Mail.' Thinking it was a recorded delivery with a guaranteed delivery before 1am, I stayed in again - no delivery. It arrived on the Thursday with Tuesday's postmark and with no signature required. In no way could it have been delivered on the Tuesday or guaranteed on the Wednesday as the 'first class signed for' implies.