Designed with a special "grip strip" to provide twice as much grip as a standard pocket. Requires less force to pick up or pull out. Rollover Tyvek? reinforcement on the sides make it virtually tearproof. File Jackets/ Sleeves/Wallets Type: Expanding Wallet; Material(s): Redrope; Height: 9 1/2 in; Width: 11 3/4 in.