Smooth-sliding discs used under your feet to create deeper muscle engagement. Challenge your stability while engaging your inner thighs, glutes, and core Comes with patented floor protectors , designed to stay in place and maximize glide on both carpet and hard surfaces. Compact and lightweight for sculpt-anywhere convenience Includes 14-day trial of streaming membership and 1-1 trainer consult. New customers only. Renews into monthly membership at $24.99/month. Cancel anytime.