Amazon has a number of Stanley products on sale during their Memorial Day sale with discounts up to 44% off. Here's a quick roundup:

Bottles / Tumblers / Jugs: (listed by size)

• STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid 20oz for $27
• Stanley All Day Slim Bottle 20oz for $23
• Stanley IceFlow Flip Straw 2.0 Water Bottle 24oz for $26
• STANLEY Quencher H2.0 Tumbler with Handle and Straw 30oz for $20
• STANLEY IceFlow 2.0 Flip Straw Tumbler with Handle 40oz for $34
• Stanley IceFlow 2.0 Flip Straw Jug 64oz for $45
• Stanley Adventure Fast Flow Water Jug (2-Gallon) for $41

Coolers / Bags:

• 16-Quart Stanley Adventure Outdoor Cooler for $60
• 14-Quart Stanley All Day Madeleine Mini Backpack Soft Cooler for $94
• 50-Quart Stanley Adventure Outdoor Cooler for $263