Kingii

[NEplay]

http://adventure-journal.com/2015/07/how-to-stay-alive-in-water-maybe/

This lifesaving balloon might bring a nubile teenager to the surface but I don't think it will do much for the denser among us.

[SupPadre]

I'd rather have a spare air.

http://www.amazon.com/gp/product/B0040UK1I2/ref=pd_lpo_sbs_dp_ss_2?pf_rd_p=1944687622&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B0000E1R4Z&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=1KQAJYBTVZF8Q5HX96TK

[stoneaxe]

If I was out in stuff big enough to warrant something like that I'd rather a impact vest.