Shopping bags

As this is a special 100th anniversary release I'm proposing, I think it would be appropriate to give it a commemorative bag that customers will receive the box set in.

I mocked up my repeat pattern on a fancy shopping bag, but I feel that it looks a little feminine, which cuts my potential audience by half (in my proposal I'm trying to reach fans of Kafka and all literature, regardless of gender).
So I decided to re-appropriate the cockroach drawing which appears to be fitting on to most products really well:

I tried to find Waterstones brand guidelines to see if there was anything specific they said about usage of their logo. I couldn't find it, so thought it would be best to play it safe and  simply leave it black. I also learnt that apparently they rebranded themselves in 2012 to exclude the apostrophe from their name. "Waterstones".