2 in 1 effect: Spiked aeration shoes use strong spikes to make small holes at the bottom to allow air, water and nutrients to penetrate and promote deeper growth of roots. The health of your lawn improves from scratch! Plus, running in inflatable shoes is a great way to train your calves and thighs. New and Improved Design: These aerator shoes are our best design yet. We've included additional elastic bands to maximize stability! The bands will secure the shoes to your heels, providing an extra level of durability A Beautiful Green Lawn: A grand total of 26 sturdy spikes will pierce the ground as you walk, breaking up compacted soil and maximizing flow air and water absorption. Your lawn health will improve from scratch One Size Fits All: Good news: these airy shoes are perfect for everyone! Whether your feet are big, small, or somewhere in between, these shoes will fit you like a glove. They can be easily slipped under everyday shoes and heavy work boots Refreshes your lawn: You've spent hours planting, watering and mowing your lawn, leaving nothing but 'a dark brown peat? These cardio lawn shoes will help keep your yard healthy and energized. The endless benefits of aeration will keep your lawn greener and thicker longer when you use these lawn pumps. Feature: Material: high quality PP raw material is used, and it has high strength and good toughness. It is very practical: you can drill holes in the grass by simply attaching it to the sole of your foot and while walking. I used to make holes by making beans in my hands, which is really fun to walk around in my shoes. Invades the ground: the grass absorbs the water, the nutrients and air from deep roots to keep grass greener and healthier. It is a band type and can be firmly attached to shoes. There are three strong strips. Specification: Product name: lawn aerator shoes. Material: polypropylene Size: 30X13cm/12X5in Nail length: 57mm M6 nut Package weight: 740g Package includes: 8x shoelaces + 2 rubber bands 1x pack of screws (26 nails + 27 nuts + 1 wrench) 2x shoe boards, Sold by the grid cool store