Trixie Sophie Dog CarrierTrixie Sophie Bag for carrying small dogs with ease The Trixie Sophie Bag is the perfect carrier for small dogs up to 7kg. Whether you're heading to the vet, enjoying a day out, or travelling on public transport, your little dog will travel comfortably and securely. Padded and stable in shape, this is great for keeping your little four legged friends feel safe and secure while being carried. Thanks to the convenient top opening, you can quickly and