Okay, we've all been there - you go to inflate your yoga ball and realize the little air plug has vanished into thin air! This Miamay replacement kit is an absolute lifesaver for anyone with inflatable exercise equipment. You get 10 plugs total - 5 of the 2-inch size and 5 of the 1-3/8 inch size, plus this genius removal tool that makes taking plugs out actually easy (no more broken nails!). There's even a balloon nozzle included for some reason, but hey, bonus! The plugs work perfectly for yoga balls, exercise balls, those bouncy horse hoppers, unicorn bouncers, pilates balls, bosu trainers - basically anything that holds air and has one of those annoying little stopper holes. Made from durable plastic that won't crack or break like the cheap original plugs often do. The two different sizes mean you're covered for most gym ball types out there. Installation is stupid simple - just pop them in and your ball stops deflating instantly. I've used these on my yoga ball, my kid's hopper ball, and even my balance trainer - they fit snugly and stay put. No more coming back to a half-deflated ball wondering where all the air went. This little kit has saved me so much frustration and honestly, it's one of those things you don't realize you need until you're desperately searching for that missing plug at 10 PM before your morning workout. Keep one of these in your gym bag - trust me, you'll thank yourself later!