Scnozzel Pumpbag UL is the quickest way to inflate a sleeping mat! Here's a review by Philip Werner of SectionHiker.com.
Ingenious simplicity: there is no better way to inflate an Exped mat! With the help of the Schnozzel Pumpbag any Exped mat is inflated with 2 to max. 3 compression.
And it also doubles as a waterproof compression stuff sack.