Salt Definition: sometimes 'salt' simply refers to table salt, which is sodium chloride. Usually the term is applied to an ionic compound produced by reacting an acid with a base.By Anne Marie Helmenstine, Ph.D.alt Definition: sometimes 'salt' simply refers to table salt, which is sodium chloride. Usually the term is applied to an ionic compound produced by reacting an acid with a base. By Anne Marie Helmenstine, Ph.D.
First sew your pillow fabric and velcro to the nap mat cover. Then place nap mat right sides together, insert blanket (making sure itâs inside the mat). Stitch around sides and top, leave your velcro end unstitched and a gap to stuff your pillow. Turn right side out. Stitch a line where your pillow and mat fabric meet.
1 4'x 8' - 2 thick with 18oz vinyl mat covering. 2  Excellent mat for gymnastics and/or martial arts. 3  Easy to clean-Just wipe of with a damp rag or mop. 4  1 year warranty.hese mats are covered with a durable vinyl mat covering and have a Velcro tab system on all 4 sides so that multiple mats can be connected together to cover large areas. Material â Crosslink Polyethylene foam encased with 18 oz vinyl fabric. Size â Each mat is 4â x 8'.