20"(4:3) and 30"(4:3) micro projection s

1 professional and modern design 2 unique extended spring structure 3 standard screen fabric is Matt White and PET 4easy to carry and store, widely used for commercial negotiation and mobile project 5 screen can be put on the table flatly or anywhere 6 very small and convenient 7 with a bag modelsize(L×H×W)GCM"20" (4:3)37.5×6.5×3.5cm14.8"×2.6" ×1.4"110030" (4:3)59.5×6.5×3.5cm20.9" ×2.6" ×1.4"1450