Carrot and Cucumber Refrigerator Pickles

INGREDIENTS

• 2 cucumbers, ends trimmed, cut into 1/8-inch-thick rounds
• 4 carrots, peeled and cut into 1/8-inch-thick pieces
• 1/2 cup sugar
• 1 cup white-wine vinegar
• 1/2 cup water
• 1 1/2 teaspoons salt
• 1/2 teaspoon mustard seeds
• 1/2 teaspoon celery seeds
• 1/2 teaspoon whole black peppercorns