OMS Silicone Retraction Bands, for use with the OMS Deep Ocean, Trieste and Tesseract wings. Qty 12 bands included and each one is {13 in | 33 cm} long. This set of bands is made from durable elastomeric silicone rubber tubing and are easy to tie and easy to install on your air cell. Retraction Bands dramatically accelerate the deflation rate of the wing when required but also create a lower profile for the wing which when inflated. This streamlined profile greatly assists when diving in overhead, cave and wreck diving environments and decreases drag in the open water. The bands come with an installation guide and are covered by a 12 month limited warranty. Retraction bands should be installed with the aircell INFLATED.