slip-on closure? PACKAGE INCLUDE==> Unisex Slipper x 1 Pair ( Not include other things)? MATERIAL==> Linen + EVA. Sweat absorption, breathable, non-slipcan, relieve foot fatigue, durable.? DESIGN==> Cool and breathable flax slippers, resistant to friction, bright colors, strong national flavor.? SUITABLE==> Perfect for summer, spring, autumn, indoor bedroom, bathroom, living room, spa, gym, swimming pool, beach, holiday, casual, etc.? NOTE==> The size of the manufacturer, unlike the Amazon size chart, please refer to our size chart carefully to choose the slippers that suit you.