NiG Tools Healthy and Reviving Lawn Treatment | All-in-1 Aerator Shoes | Heavy Duty Spiked Shoes, 2" Long Steel Nails, 3 Adjustable Durable Straps with Metal Buckles | 2 Extra Spikes and Small Wrench HIGH QUALITY PRODUCT - High Grade Flexible Plastic Base With Non-Corrosive Metal Parts. Don't Fall For Nylon Shoes as They Are NOT Flexible and Will Break Easily. Each Sandal Has 3 Durable Straps With Strong Metal Buckles. PLUS 2 Extra Spikes, Wrench and Comprehensive Assembly Instructions. GREENER AND HEALTHIER LAWN - Using NiG Tools Lawn Aerator Shoes lets deep penetration of water, fertilizer and air to your grass roots, improving the health and strength of your lawn. QUICK AND CONVENIENT - A great alternative to renting expensive lawn equipment - Now you can revitalize your yard any time, simply by wearing NiG Tools Spiked Shoes and walking your lawn. It also serves as a perfect WORKOUT ! OUR UNIVERSAL FIT goes over most shoe or boot size, by simply adjusting the 3 straps with the metal buckles. 100% MONEY BACK GUARANTEE At NiG Tools, Our goal is to provide customers with the highest quality products by assuring their performance, consistency, safety and value. This commitment is rooted in our corporate values. If our Lawn Aerator Shoes do not meet your needs, we will refund your money. No Questions asked ! So try it now!