Bought a Pebble from John Lewis and it's turned up in a non-branded box in a plastic bag with no instructions? The box was ripped and I out my hand in and could feel ge fabric seat as even the bag wasn't taped up. There's a loose seat pad part that I've no idea what to do with because apart from some tags on the seat there isn't a leaflet to tell me what's what. Surely that's not normal? Thanks