The Kooler Cover is a great way to add some colour to your stainless steel sippy, plus it gives your stainless steel sippy some extra protection from toddler's heavy handling. The Kooler Cover comes with straps so you can take the sippy everywhere with you! If you however, are worried about toddlers playing with straps, the straps can be easily removed.
The Kooler Cover does provide some insulation, but a double-walled stainless steel would offer much better insulation in hot weather. The only insulated sippy cup available is
Thermos Foogo Sippy Cup.
This Kooler Cover fits: