FREEZER BOILIES. The Krill Freezer Boilies is available in 12mm, 16mm and 20mm in 1kg bags or 5kg bags. The Krill Shelf Life boilies are available in 12mm, 16mm and 20mm in 1kg bags or 5kg bags. For a really effective tip try fishing a Krill Dumbell Wafter over a mix of The Krill Pellet and chopped Krill Boilies.