Seattle Sports PVC-Free Solar Shower Size Chart
  2.5 gallons 4 gallons 5 gallons
Dimensions (in) 16x21" 17x24" 18x27"
Weight (oz) 7.3 oz 7.8 oz 8 oz

These are general guidelines only, sizes are not guaranteed. But no worries, since at SunnySports we offer our exclusive PFF Guaranty