Second-Hand Robes is the name of a shop which features on the Diagon Alley section of Pottermore.
Locked
At present, players are not able to enter and it is unknown whether or not this will change in the future.
From the Story
The Second Hand Robes shop on Playstation Home
"Molly Weasley takes Ginny to this shop in Diagon Alley to buy robes for her first year at Hogwarts."