High Strength Professional Grey Mailing Bags. With permanent peel off adhesive strip, you can be assured of safe arrival of your goods.Size 850 x 1050mm (or 34 x 41") in 60mu thickness. This means they'll stand up to the rigours of most post rooms! Our largest bag on offer, you can almost fit the kitchen sink inside!200 bags contained in 1 box.Discounted prices below are priced per box (ex VAT).For orders in excess of 30 boxes, call our sales team for great trade prices!Unfortunately we cannot supply quantity less than 1 box (200 bags) for this size