a3 300 pcs sublimation puzzle blanks white blank jigsaw puzzles for adults heat press thermal transfer printing craft 252pcs 210pcs

the sublimation puzzle blank is made of sturdy cardboard material with neatly cut edges and all the piece can fits perfectly. you can sublimate any ps and images you like on the surface by heat press machine to make your own personalized puzzle it can be used as custom party invitations, custom gifts, drawing boards, game props, etc. with a size of approximately 15.5 x 11 inches, each with 300 pieces, enough to meet your needs for making personalized puzzles. with a hard fabric surface ,and with a sturdy cardboard bottom,easy to sublimate on and provide a good way to display ps and images..syi