The Easy Sip Straw Cup is frequently noted for its leak-proof design and ease of cleaning. Many users report that children like and readily accept the cup, finding it easy to use and hold. It is often recommended for its effectiveness in transitioning children from bottles or for learning to drink from a straw. The product is also highlighted for its affordability and value, and is described as durable and BPA-free. While generally considered easy to reassemble and dishwasher safe, some users found the straw required significant effort to suck from, and a few noted difficulty with initial assembly.