The kit bag should be a large mesh sack containing:
Water bottle
Finger Paddles
Float
Fins
Kickboard
Additional Alignment Kickboard for Squad swimmers:
This Finis one is recommended and available here.
Pull Buoy
Snorkel
Try Sporty Swim to buy your kit online – they offer Step Rock swimmers a club discount. Email secretary@steprock.org.uk for the code.
Otherwise, please feel free to try ProSwimwear, Amazon, Allens Swimwear to name a few.