Folds down to a disc – Concertina sides collapse into something the size of a coaster.
Clip on the rim – Hooks onto a lead, a belt loop or a backpack strap.
Soft chalky colors – Pink, yellow, green, blue and lilac, in a matte finish.
Three sizes – The maker documents 350 ml at 13 cm across and 1000 ml at 18 cm. We're getting the middle size's numbers from the supplier — ask us before you order if you need the exact figure.
