The Kaiko Extreme fabric squishies are amazing for those that like squishies that are super robust. Traditional squishies feel wonderful however do break. These are great for both emotional regulation and hand function. You can really dig your fingers/nails into these also. 3 sizes available MINI | 35 mm | Softest Squish SMALL | 50 mm | Medium Squish LARGE | 60 mm | Firmest Squish Not suitable for 3 and under. Inside is TPR (Thermoplastic Rubber) & outside is Lycra fabric. A review from a happy customer: "The ball is also perfect for squeezing when I'd normally be clenching my jaw or need to get out that nervous energy - I love the resistance (which sometimes I want without the spikey input of the cog spinner). It really is SO satisfying." Kaiko Fidget sensory tools can assist with... Supporting mental health & reducing anxiety Emotional regulation & sensory input Focus & concentration - great study or work tool Tactile awareness & desensitisation Hand function – improving fine motor, strength & circulation Managing stress Active listening - can increase focus & attention Reducing unhelpful habits - such as nail biting, smoking, tapping, hair twirling, pen clicking & leg bouncing etc. Sensory seeking substitution - finding a more socially acceptable outlet for sensory preferences Sensory Street is proud to support Kaiko Fidgets, a small Aussie Business.