This is the Apeks WTX Mesh BC Pocket Features: The system is modular so you can attach one pocket to the other if space is at a premuim. A separate stainless steel harware kit is available for this. The large pockets are available in heavy duty hook and loop and zipper versions, allowing for easy open / close even when wearing thick gloves. The pockets contain internal Bungee attachment points to clip your gear to. Dimensions: H: 9.5 (24.13cm) -11.5" (29.21cm) x W: 5" (12.7cm) x D: 2.5" (6.35cm) A full range of Tek Pockets have been designed to complement the WTX range. They can be attached to your WTX system or an other BC/Wing and/or drysuit."