Portability and Upgrade: Unlike other products, Emhumn's poly spot markers have anti-slip dots on the bottom, which can increase friction and adhesion on smooth floors and enhance the anti-slip effect. Besides, the 4 inch spot markers are 6pcs/12pcs/24pcs available option for you to purchase.,Non-slip Spot Floor Dots: Made of thermoplastic elastomer (TPE) material with a tear-proof design, the agility spot markers ensure long life, soft safety as well as durability, which is suitable for use on any indoor and outdoor surface.,Application: This floor mark is the first choice for all kinds of games and in the playground, classroom, can also be used as training equipment for dancing, basketball, football, volleyball, baseball and other kinds of agility training for athletes.,Package Included: There are six different colors, red, yellow, orange, green, blue and purple. Size: 4 inch (10.2cm); Quantities: 6pcs. All markers are brightly colored and non-slip, making them excellent training equipment and helpful tool.,Customer Service: Any quality problem of poly spot marker will come with 1 year warranty and 2-month refund, If you get any question, please contact us, we will reply within 24 hours.