Our seaside themed sock blockers are made in Massachusetts..  the cutout waves and birds add a whimsical functionality, speeding up the drying process.We craft our salt yarn sock blockers using high-quality MDF board made with 100% recycled/recovered, FSC certified wood content. This eco-friendly option stands the test of time and holds up to plenty of use without warping or cupping. Measurements below are given for blocker foot length.Small:  Women's size 5-6Medium: Women's size 7-9Large: Women's size 9-11 / Men's size 8-10