This has not been tested by Wheelchair World but it looks very handy for wheelchair travellers. The below is taken from their own website
“Phoenix Instinct travel and daily bags allow easy, safe and Independent use by wheelchair users. Connect in seconds and your Phoenix bag will move perfectly with you in every direction, even up and down curbs. Compatible with all manual wheelchairs and many power chairs too. The Compact bag and Twinset with backpack can be connected in multiple combinations so there is always the right solution available”.