King & Queen Chess Eye Drop Holder for Single-Use Disposable Vials - Holds Eight (8) Disposable Vials - Znet3D Round Eye Drops Holder by Znet3D is a perfect solution to hold your disposable Eye Drop Vials. Featuring a beautifully detailed King & Queen in the center. Pair them together in your chosen color and Save! Designed, developed and produced in the USA. Made with Eco-Friendly, Biodegradable Plastic, (PLA) Holds 8 disposable eye drop vials Universally compatible with any brands: Systane, Refresh, Bion Tears, Zioptan, Xiidra... etc. Featuring King & Queen Models