Conveniently divvy up leftovers in portion-size gingham plastic boxes. To buy: $14 for six, plumparty.com.
2 of 4Dana Gallagher
Guyot Squishy Bowl and Cup Set
Use these vessels to serve pasta salad, then squash them into your bag for the trip home. To buy: Large bowl, $16, guyotdesigns.com.
3 of 4Dana Gallagher
Bungalow Trash Cache
These pop-up mesh tents shoo away flies for you. To buy: $42, bungalowco.com.
4 of 4 Dana Gallagher
French Bull Backpack Picnic Set
This sleek nylon pack has everything but the ants: insulated storage for food and drinks, servingware for four, a blanket, a cutting board, a bottle opener, and even salt and pepper shakers. To buy: $150, frenchbull.com.