Those are fabric balloons. They're no fun. Same as mylar. Rubber is best (and there's different varieties of rubber, from the firm, solid ones used by professional decorators, to the more soft, cuddly ones like neoprene and chloroprene. Everyone has their favorite brands and countries of origin.) !https://images-wixmp-ed30a86b8c4ca887773594c2.wixmp.com/f/8f969c28-6d8a-44d8-91ae-78724422f582/dcjlxkj-d0885ac6-d95b-4806-8879-7b4b1e025883.png/v1/fill/w_1192,h_670,q_70,strp/oh_balloon__you_re_so_soft_by_laszlvfx_dcjlxkj-pre.jpg?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJ1cm46YXBwOiIsImlzcyI6InVybjphcHA6Iiwib2JqIjpbW3siaGVpZ2h0IjoiPD0yMTYwIiwicGF0aCI6IlwvZlwvOGY5NjljMjgtNmQ4YS00NGQ4LTkxYWUtNzg3MjQ0MjJmNTgyXC9kY2pseGtqLWQwODg1YWM2LWQ5NWItNDgwNi04ODc5LTdiNGIxZTAyNTg4My5wbmciLCJ3aWR0aCI6Ijw9Mzg0MCJ9XV0sImF1ZCI6WyJ1cm46c2VydmljZTppbWFnZS5vcGVyYXRpb25zIl19.umkSU71ATq8H6kCjgakn2ypVW9nnhW896zQ7Kx8I610!