PowerBlow 吸水泡棉

I was worried about spills ruining the device during travel, but these foam inserts fit snugly and do exactly what they’re supposed to. Five in a pack means I’ll have backups for a while, and swapping one out takes less than a minute.

The description says "unwanted fluids" but honestly this five-pack just saves me from constantly buying singles, and the foam itself is dense enough to actually catch spills before they reach the device. I swapped one in after a leaky bottle incident and it did its job without any mess getting throu

Got through two of the five in a week already, they soak up way more liquid than I thought they would. The pack is decent value for keeping my gear dry, though I wish they were a bit thicker for heavier accidents.