Semi-closed [duck-bill] construction to allow air inflation using an octopus second stage
One-way inflator with stainless steel non-locking male coupling
Full size robust Over pressure valve integrated to the bottom of the SMB
3M® SOLAS reflective tapes [applied to the top of both sides] are U.S. Coast Guard approved and are specifically to enhance the visibility
210 denier TPU coated Nylon HF welded with stitched binding tape finish
Available in 45" (114cm) and 60" (152cm) lengths
Optional Dive1 SMB Mesh wash bag