Advance Xmas shopping: want to wrap something big?

The Cystic Fibrosis Shop have a Useful Thing.

Extreme Gift Sack
Details: For those hard to wrap presents. Comes with matching tag.
Pack of 1: £2.99
Dimensions: 100x195cm

The picture shows it being used to wrap a bicycle.
http://www.cftrust.org.uk/categories/giftwrapandtags/products/extremegiftsack