Container that is a treasure chest of cold drinks and sandwiches providing much-needed refreshments on a hot day at 11d

Pat gently, as makeup3 Man's best friend, in a saying3 Sense of wonder3 Shapeless mass, say (rhymes with "glob")4 Photographer's tool, for short3 ___ Sun (juice brand)5 "Put ___ on it!" ("Keep it under wraps!"): 2 wds.4 Handheld karaoke prop, for short3