NWT Silver Cross Wave Luxury Changing Bag Slate The Silver Cross Wave Changing Bag is luxuriously crafted from premium fabrics. This stylish and practical back-pack design bag features coordinating leatherette details, with a magnetic fastening and adjustable shoulder strap for convenience. High-quality fabric. Padded changing mat included. Thermal bottle holder included. Adjustable shoulder strap. The Interior can be safely zipped up at all times. Generous interior size. 2 x interior pockets. 1 x larger interior pocket. Coordinates with the Silver Cross Wave Stroller. Questions? Leave a comment below!