The ISK HP2000 over-ear closed monitoring headphones in black are a great option for anyone who needs a reliable pair of headphones for everyday use. Customers have reported using these headphones with ease, cleaning them without any issues and have experienced no problems while using them. The headphones come with a weightened straw cup which is spill-proof to some extent, but leaking can occur if the cup is left on its side for too long. The headphones also provide a good transition from Dr. Brown's bottles to cups for babies and are Considered durable.