These are amazing toys! The water bottle inside has a squeaker on the lid and can take on a heavy chewer. The water bottle is Velcroed in so you can change it out. However, one of my dogs figured out the Velcro on one of the toys and keeps taking the bottle out. All of my dogs have loved water bottle chew toys even though I have never encouraged chewing on just a water bottle. They love the noi
These are really neat toys however; my chewer Viszla easily had 1 torn entirely open and the squeaker and bottle ripped out in less than 1 day! Glad they weren't expensive or I'd be more upset however; even without a squeaker or bottle inside, my 2 dogs will play with them.