In response to documentally. There is no reason why it shouldn't last 6 weeks if the seal on the tap works effectively and doesn't allow air in to oxidise the wine (causing it to 'go off'). Most box wines would last 6 weeks without too much issue. However with the cheaper 'boxes' they tend to be lower quality and therefore there is lower expectation of perfect wine 6 weeks down the line. It is usually 'ok'. I am interested to see whether the concept will hold up as i am seriously concerned about the recyclability claims. Glass/plastic wine bottles are widely recycled as whole items. This packaging may reduce weight but the percentage of recyclable material drops from near as damn it 100% to perhaps 60% (being generous and by volume not weight (as all recyclate is measured)) by weight it's probably less than 30% as a guestimate without seeing the product.