Sea To Summit eVent Compression Dry Sack S discontinued a bulky medical kit or

a bulky medical kit or a whole pack's worth of soft goods

BATTERY TYPE

and backed by the full manufacturer warranty

Battery: One AAA battery

which is usually the part that fails in wet conditions

Sea To Summit eVent Compression Dry Sack S discontinued a bulky medical kit orA completely new concept in compression dry bags there is no valve. This innovation uses an air permeable base made of eVent waterproof fabric, which allows air to be pushed out of the sack, but wont allow water to get back in. Unique compression idea allows air to be pushed out to compress, but water cant get in because of the waterproof, air permeable eVent fabric base Rugged 100 D nylon body & lid Waterproof seams double stitched and tape sealed