Sparkle supplies keeps the glass, steel and more in your office shining like knew. On Time Supplies offers a variety of Spangler cleaners, and discounts bulk orders so you can stock up economically. Thanks to fast shipping from On Time Supplies, your Spangler cleaning supplies arrive when you need them. If you need more information on the supplies featured at On Time Supplies, or on GSA pricing, call us toll free at 1-866-501-6055. We're happy to answer any supply questions.