Made of a very sturdy plastic. Works with any bra style to hide and conceal straps - Gives instant support u0026amp; lift while also improving posture.nDiscretely transform any bra, bikini top easily and comfortably. A MUST HAVE Bra Accessory!nHeight adjustable, goes on in seconds without additional help or removing bra, improved fit adds up to full cup size, like a miracle bra!nRelieves discomfort and keeps bra straps from digging into your shouldersnHelps keep your toddleru0026#39;s/girlu0026#39;s spaghetti and leotard straps comfortably in place too!n•Eliminate the hassle of falling bra straps and discretely transform any bra easily and comfortably while creating instantaneous lift. Use on your toddler or young girl's spaghetti straps to keep them neatly in place. •Transform any normal bra into a cross back style without riding up your back. Durable u0026 flexible material. •Height-adjustable clips keep bra straps in place and hidden. Gives instant support while improving posture. •Clips on to your bikini top for a fuller, sexier look. •Revives old stretched out bras. Transform your favorite bra into a racerback, miracle bra. •Makes your bra straps invisible under T-shirts, Tank Tops, Dresses, Workout wear, racer back and so much more! •Boost your cleavage for a firm younger look.