For the urge to squeeze something anytime, anywhere. Just the fingertips though (lol) Size: 2cm x 1cm Hole diameter: 3.5mm Material: Silicone Colors: Purple, Red, Yellow, Sky Blue Quantity: 4 pieces (1 of each color) Case: PP You're free to use them for anything, like a strap. Comes with a case featuring an asimocrafts original sticker. *Please be careful as the print on the sticker may come off if wiped with alcohol, etc.